87681945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{10457}}^1$

素因数の和:10521

約数の個数: 32

約数和(自身を含む): 154611072

約数和(自身を除く): 66929127

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 2795, 8385, 10457, 31371, 52285, 135941, 156855, 407823, 449651, 679705, 1348953, 2039115, 2248255, 5845463, 6744765, 17536389, 29227315, 87681945]

約数ペア:

[(1, 87681945), (3, 29227315), (5, 17536389), (13, 6744765), (15, 5845463), (39, 2248255), (43, 2039115), (65, 1348953), (129, 679705), (195, 449651), (215, 407823), (559, 156855), (645, 135941), (1677, 52285), (2795, 31371), (8385, 10457)]