1313253

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:566

約数の個数: 20

約数和(自身を含む): 2028928

約数和(自身を除く): 715675

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 523, 837, 1569, 2511, 4707, 14121, 16213, 42363, 48639, 145917, 437751, 1313253]

約数ペア:

[(1, 1313253), (3, 437751), (9, 145917), (27, 48639), (31, 42363), (81, 16213), (93, 14121), (279, 4707), (523, 2511), (837, 1569)]