87801795

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27481}}^1$

素因数の和:27563

約数の個数: 24

約数和(自身を含む): 154338912

約数和(自身を除く): 66537117

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 27481, 82443, 137405, 247329, 412215, 1236645, 1951151, 5853453, 9755755, 17560359, 29267265, 87801795]

約数ペア:

[(1, 87801795), (3, 29267265), (5, 17560359), (9, 9755755), (15, 5853453), (45, 1951151), (71, 1236645), (213, 412215), (355, 247329), (639, 137405), (1065, 82443), (3195, 27481)]