87213213

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{757}}^1$

素因数の和:1034

約数の個数: 32

約数和(自身を含む): 137531520

約数和(自身を除く): 50318307

約数列:

[1, 3, 9, 17, 27, 51, 153, 251, 459, 753, 757, 2259, 2271, 4267, 6777, 6813, 12801, 12869, 20439, 38403, 38607, 115209, 115821, 190007, 347463, 570021, 1710063, 3230119, 5130189, 9690357, 29071071, 87213213]

約数ペア:

[(1, 87213213), (3, 29071071), (9, 9690357), (17, 5130189), (27, 3230119), (51, 1710063), (153, 570021), (251, 347463), (459, 190007), (753, 115821), (757, 115209), (2259, 38607), (2271, 38403), (4267, 20439), (6777, 12869), (6813, 12801)]