81845316

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{523}}^1$

素因数の和:572

約数の個数: 144

約数和(自身を含む): 256349184

約数和(自身を除く): 174503868

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 27, 28, 36, 42, 46, 54, 63, 69, 81, 84, 92, 108, 126, 138, 161, 162, 189, 207, 243, 252, 276, 322, 324, 378, 414, 483, 486, 523, 567, 621, 644, 756, 828, 966, 972, 1046, 1134, 1242, 1449, 1569, 1701, 1863, 1932, 2092, 2268, 2484, 2898, 3138, 3402, 3661, 3726, 4347, 4707, 5589, 5796, 6276, 6804, 7322, 7452, 8694, 9414, 10983, 11178, 12029, 13041, 14121, 14644, 17388, 18828, 21966, 22356, 24058, 26082, 28242, 32949, 36087, 39123, 42363, 43932, 48116, 52164, 56484, 65898, 72174, 78246, 84203, 84726, 98847, 108261, 127089, 131796, 144348, 156492, 168406, 169452, 197694, 216522, 252609, 254178, 296541, 324783, 336812, 395388, 433044, 505218, 508356, 593082, 649566, 757827, 889623, 974349, 1010436, 1186164, 1299132, 1515654, 1779246, 1948698, 2273481, 2923047, 3031308, 3558492, 3897396, 4546962, 5846094, 6820443, 9093924, 11692188, 13640886, 20461329, 27281772, 40922658, 81845316]

約数ペア:

[(1, 81845316), (2, 40922658), (3, 27281772), (4, 20461329), (6, 13640886), (7, 11692188), (9, 9093924), (12, 6820443), (14, 5846094), (18, 4546962), (21, 3897396), (23, 3558492), (27, 3031308), (28, 2923047), (36, 2273481), (42, 1948698), (46, 1779246), (54, 1515654), (63, 1299132), (69, 1186164), (81, 1010436), (84, 974349), (92, 889623), (108, 757827), (126, 649566), (138, 593082), (161, 508356), (162, 505218), (189, 433044), (207, 395388), (243, 336812), (252, 324783), (276, 296541), (322, 254178), (324, 252609), (378, 216522), (414, 197694), (483, 169452), (486, 168406), (523, 156492), (567, 144348), (621, 131796), (644, 127089), (756, 108261), (828, 98847), (966, 84726), (972, 84203), (1046, 78246), (1134, 72174), (1242, 65898), (1449, 56484), (1569, 52164), (1701, 48116), (1863, 43932), (1932, 42363), (2092, 39123), (2268, 36087), (2484, 32949), (2898, 28242), (3138, 26082), (3402, 24058), (3661, 22356), (3726, 21966), (4347, 18828), (4707, 17388), (5589, 14644), (5796, 14121), (6276, 13041), (6804, 12029), (7322, 11178), (7452, 10983), (8694, 9414)]