13820015

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:511

約数の個数: 24

約数和(自身を含む): 18615744

約数和(自身を除く): 4795729

約数列:

[1, 5, 11, 53, 55, 121, 265, 431, 583, 605, 2155, 2915, 4741, 6413, 22843, 23705, 32065, 52151, 114215, 251273, 260755, 1256365, 2764003, 13820015]

約数ペア:

[(1, 13820015), (5, 2764003), (11, 1256365), (53, 260755), (55, 251273), (121, 114215), (265, 52151), (431, 32065), (583, 23705), (605, 22843), (2155, 6413), (2915, 4741)]