81270345

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1019}}^1$

素因数の和:1449

約数の個数: 32

約数和(自身を含む): 140515200

約数和(自身を除く): 59244855

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 409, 1019, 1227, 2045, 3057, 5095, 5317, 6135, 13247, 15285, 15951, 26585, 39741, 66235, 79755, 198705, 416771, 1250313, 2083855, 5418023, 6251565, 16254069, 27090115, 81270345]

約数ペア:

[(1, 81270345), (3, 27090115), (5, 16254069), (13, 6251565), (15, 5418023), (39, 2083855), (65, 1250313), (195, 416771), (409, 198705), (1019, 79755), (1227, 66235), (2045, 39741), (3057, 26585), (5095, 15951), (5317, 15285), (6135, 13247)]