136821915

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{70709}}^1$

素因数の和:70763

約数の個数: 24

約数和(自身を含む): 242676720

約数和(自身を除く): 105854805

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 70709, 212127, 353545, 636381, 1060635, 3040487, 3181905, 9121461, 15202435, 27364383, 45607305, 136821915]

約数ペア:

[(1, 136821915), (3, 45607305), (5, 27364383), (9, 15202435), (15, 9121461), (43, 3181905), (45, 3040487), (129, 1060635), (215, 636381), (387, 353545), (645, 212127), (1935, 70709)]