74917647

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{347}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 130291200

約数和(自身を除く): 55373553

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 149, 161, 207, 347, 447, 483, 1041, 1043, 1341, 1449, 2429, 3123, 3129, 3427, 7287, 7981, 9387, 10281, 21861, 23943, 23989, 30843, 51703, 55867, 71829, 71967, 155109, 167601, 215901, 361921, 465327, 502803, 1085763, 1189169, 3257289, 3567507, 8324183, 10702521, 24972549, 74917647]

約数ペア:

[(1, 74917647), (3, 24972549), (7, 10702521), (9, 8324183), (21, 3567507), (23, 3257289), (63, 1189169), (69, 1085763), (149, 502803), (161, 465327), (207, 361921), (347, 215901), (447, 167601), (483, 155109), (1041, 71967), (1043, 71829), (1341, 55867), (1449, 51703), (2429, 30843), (3123, 23989), (3129, 23943), (3427, 21861), (7287, 10281), (7981, 9387)]