81907515

素因数分解:

$3^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{6571}}^1$

素因数の和:6859

約数の個数: 24

約数和(自身を含む): 142507248

約数和(自身を除く): 60599733

約数列:

[1, 3, 5, 9, 15, 45, 277, 831, 1385, 2493, 4155, 6571, 12465, 19713, 32855, 59139, 98565, 295695, 1820167, 5460501, 9100835, 16381503, 27302505, 81907515]

約数ペア:

[(1, 81907515), (3, 27302505), (5, 16381503), (9, 9100835), (15, 5460501), (45, 1820167), (277, 295695), (831, 98565), (1385, 59139), (2493, 32855), (4155, 19713), (6571, 12465)]