275331615

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1231}}^1$

素因数の和:1320

約数の個数: 64

約数和(自身を含む): 503365632

約数和(自身を除く): 228034017

約数列:

[1, 3, 5, 13, 15, 31, 37, 39, 65, 93, 111, 155, 185, 195, 403, 465, 481, 555, 1147, 1209, 1231, 1443, 2015, 2405, 3441, 3693, 5735, 6045, 6155, 7215, 14911, 16003, 17205, 18465, 38161, 44733, 45547, 48009, 74555, 80015, 114483, 136641, 190805, 223665, 227735, 240045, 496093, 572415, 592111, 683205, 1411957, 1488279, 1776333, 2480465, 2960555, 4235871, 7059785, 7441395, 8881665, 18355441, 21179355, 55066323, 91777205, 275331615]

約数ペア:

[(1, 275331615), (3, 91777205), (5, 55066323), (13, 21179355), (15, 18355441), (31, 8881665), (37, 7441395), (39, 7059785), (65, 4235871), (93, 2960555), (111, 2480465), (155, 1776333), (185, 1488279), (195, 1411957), (403, 683205), (465, 592111), (481, 572415), (555, 496093), (1147, 240045), (1209, 227735), (1231, 223665), (1443, 190805), (2015, 136641), (2405, 114483), (3441, 80015), (3693, 74555), (5735, 48009), (6045, 45547), (6155, 44733), (7215, 38161), (14911, 18465), (16003, 17205)]