68921685

素因数分解:

$3^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:205

約数の個数: 120

約数和(自身を含む): 150961536

約数和(自身を除く): 82039851

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 27, 35, 45, 49, 63, 69, 81, 105, 115, 135, 147, 151, 161, 189, 207, 245, 315, 345, 405, 441, 453, 483, 567, 621, 735, 755, 805, 945, 1035, 1057, 1127, 1323, 1359, 1449, 1863, 2205, 2265, 2415, 2835, 3105, 3171, 3381, 3473, 3969, 4077, 4347, 5285, 5635, 6615, 6795, 7245, 7399, 9315, 9513, 10143, 10419, 12231, 13041, 15855, 16905, 17365, 19845, 20385, 21735, 22197, 24311, 28539, 30429, 31257, 36995, 47565, 50715, 52095, 61155, 65205, 66591, 72933, 85617, 91287, 93771, 110985, 121555, 142695, 152145, 156285, 170177, 199773, 218799, 281313, 332955, 364665, 428085, 456435, 468855, 510531, 599319, 656397, 850885, 998865, 1093995, 1406565, 1531593, 1969191, 2552655, 2996595, 3281985, 4594779, 7657965, 9845955, 13784337, 22973895, 68921685]

約数ペア:

[(1, 68921685), (3, 22973895), (5, 13784337), (7, 9845955), (9, 7657965), (15, 4594779), (21, 3281985), (23, 2996595), (27, 2552655), (35, 1969191), (45, 1531593), (49, 1406565), (63, 1093995), (69, 998865), (81, 850885), (105, 656397), (115, 599319), (135, 510531), (147, 468855), (151, 456435), (161, 428085), (189, 364665), (207, 332955), (245, 281313), (315, 218799), (345, 199773), (405, 170177), (441, 156285), (453, 152145), (483, 142695), (567, 121555), (621, 110985), (735, 93771), (755, 91287), (805, 85617), (945, 72933), (1035, 66591), (1057, 65205), (1127, 61155), (1323, 52095), (1359, 50715), (1449, 47565), (1863, 36995), (2205, 31257), (2265, 30429), (2415, 28539), (2835, 24311), (3105, 22197), (3171, 21735), (3381, 20385), (3473, 19845), (3969, 17365), (4077, 16905), (4347, 15855), (5285, 13041), (5635, 12231), (6615, 10419), (6795, 10143), (7245, 9513), (7399, 9315)]