81158895

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{12791}}^1$

素因数の和:12852

約数の個数: 32

約数和(自身を含む): 147363840

約数和(自身を除く): 66204945

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 235, 423, 705, 1269, 2115, 6345, 12791, 38373, 63955, 115119, 191865, 345357, 575595, 601177, 1726785, 1803531, 3005885, 5410593, 9017655, 16231779, 27052965, 81158895]

約数ペア:

[(1, 81158895), (3, 27052965), (5, 16231779), (9, 9017655), (15, 5410593), (27, 3005885), (45, 1803531), (47, 1726785), (135, 601177), (141, 575595), (235, 345357), (423, 191865), (705, 115119), (1269, 63955), (2115, 38373), (6345, 12791)]