40815021

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{223}}^1$

素因数の和:290

約数の個数: 36

約数和(自身を含む): 62471808

約数和(自身を除く): 21656787

約数列:

[1, 3, 13, 19, 39, 57, 169, 223, 247, 361, 507, 669, 741, 1083, 2899, 3211, 4237, 4693, 8697, 9633, 12711, 14079, 37687, 55081, 61009, 80503, 113061, 165243, 183027, 241509, 716053, 1046539, 2148159, 3139617, 13605007, 40815021]

約数ペア:

[(1, 40815021), (3, 13605007), (13, 3139617), (19, 2148159), (39, 1046539), (57, 716053), (169, 241509), (223, 183027), (247, 165243), (361, 113061), (507, 80503), (669, 61009), (741, 55081), (1083, 37687), (2899, 14079), (3211, 12711), (4237, 9633), (4693, 8697)]