31890591

素因数分解:

$3^5\times {\mathrm{263}}^1\times {\mathrm{499}}^1$

素因数の和:777

約数の個数: 24

約数和(自身を含む): 48048000

約数和(自身を除く): 16157409

約数列:

[1, 3, 9, 27, 81, 243, 263, 499, 789, 1497, 2367, 4491, 7101, 13473, 21303, 40419, 63909, 121257, 131237, 393711, 1181133, 3543399, 10630197, 31890591]

約数ペア:

[(1, 31890591), (3, 10630197), (9, 3543399), (27, 1181133), (81, 393711), (243, 131237), (263, 121257), (499, 63909), (789, 40419), (1497, 21303), (2367, 13473), (4491, 7101)]