75684225

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 129527424

約数和(自身を除く): 53843199

約数列:

[1, 3, 5, 15, 25, 61, 71, 75, 183, 213, 233, 305, 355, 699, 915, 1065, 1165, 1525, 1775, 3495, 4331, 4575, 5325, 5825, 12993, 14213, 16543, 17475, 21655, 42639, 49629, 64965, 71065, 82715, 108275, 213195, 248145, 324825, 355325, 413575, 1009123, 1065975, 1240725, 3027369, 5045615, 15136845, 25228075, 75684225]

約数ペア:

[(1, 75684225), (3, 25228075), (5, 15136845), (15, 5045615), (25, 3027369), (61, 1240725), (71, 1065975), (75, 1009123), (183, 413575), (213, 355325), (233, 324825), (305, 248145), (355, 213195), (699, 108275), (915, 82715), (1065, 71065), (1165, 64965), (1525, 49629), (1775, 42639), (3495, 21655), (4331, 17475), (4575, 16543), (5325, 14213), (5825, 12993)]