81366327

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{9859}}^1$

素因数の和:10003

約数の個数: 24

約数和(自身を含む): 135358080

約数和(自身を除く): 53991753

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 2751, 8253, 9859, 29577, 69013, 88731, 207039, 621117, 1291529, 3874587, 9040703, 11623761, 27122109, 81366327]

約数ペア:

[(1, 81366327), (3, 27122109), (7, 11623761), (9, 9040703), (21, 3874587), (63, 1291529), (131, 621117), (393, 207039), (917, 88731), (1179, 69013), (2751, 29577), (8253, 9859)]