71951685

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{8581}}^1$

素因数の和:8645

約数の個数: 32

約数和(自身を含む): 126876288

約数和(自身を除く): 54924603

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 2795, 8385, 8581, 25743, 42905, 111553, 128715, 334659, 368983, 557765, 1106949, 1673295, 1844915, 4796779, 5534745, 14390337, 23983895, 71951685]

約数ペア:

[(1, 71951685), (3, 23983895), (5, 14390337), (13, 5534745), (15, 4796779), (39, 1844915), (43, 1673295), (65, 1106949), (129, 557765), (195, 368983), (215, 334659), (559, 128715), (645, 111553), (1677, 42905), (2795, 25743), (8385, 8581)]