71388945

素因数分解:

$3^4\times 5^1\times {\mathrm{359}}^1\times {\mathrm{491}}^1$

素因数の和:867

約数の個数: 40

約数和(自身を含む): 128589120

約数和(自身を除く): 57200175

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 359, 405, 491, 1077, 1473, 1795, 2455, 3231, 4419, 5385, 7365, 9693, 13257, 16155, 22095, 29079, 39771, 48465, 66285, 145395, 176269, 198855, 528807, 881345, 1586421, 2644035, 4759263, 7932105, 14277789, 23796315, 71388945]

約数ペア:

[(1, 71388945), (3, 23796315), (5, 14277789), (9, 7932105), (15, 4759263), (27, 2644035), (45, 1586421), (81, 881345), (135, 528807), (359, 198855), (405, 176269), (491, 145395), (1077, 66285), (1473, 48465), (1795, 39771), (2455, 29079), (3231, 22095), (4419, 16155), (5385, 13257), (7365, 9693)]