1217990025

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{3319}}^1$

素因数の和:3575

約数の個数: 72

約数和(自身を含む): 2504661120

約数和(自身を除く): 1286671095

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 233, 315, 525, 699, 1165, 1575, 1631, 2097, 3319, 3495, 4893, 5825, 8155, 9957, 10485, 14679, 16595, 17475, 23233, 24465, 29871, 40775, 49785, 52425, 69699, 73395, 82975, 116165, 122325, 149355, 209097, 248925, 348495, 366975, 580825, 746775, 773327, 1045485, 1742475, 2319981, 3866635, 5227425, 5413289, 6959943, 11599905, 16239867, 19333175, 27066445, 34799715, 48719601, 57999525, 81199335, 135332225, 173998575, 243598005, 405996675, 1217990025]

約数ペア:

[(1, 1217990025), (3, 405996675), (5, 243598005), (7, 173998575), (9, 135332225), (15, 81199335), (21, 57999525), (25, 48719601), (35, 34799715), (45, 27066445), (63, 19333175), (75, 16239867), (105, 11599905), (175, 6959943), (225, 5413289), (233, 5227425), (315, 3866635), (525, 2319981), (699, 1742475), (1165, 1045485), (1575, 773327), (1631, 746775), (2097, 580825), (3319, 366975), (3495, 348495), (4893, 248925), (5825, 209097), (8155, 149355), (9957, 122325), (10485, 116165), (14679, 82975), (16595, 73395), (17475, 69699), (23233, 52425), (24465, 49785), (29871, 40775)]