8721837

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:167

約数の個数: 40

約数和(自身を含む): 13939200

約数和(自身を除く): 5217363

約数列:

[1, 3, 9, 27, 29, 47, 79, 81, 87, 141, 237, 261, 423, 711, 783, 1269, 1363, 2133, 2291, 2349, 3713, 3807, 4089, 6399, 6873, 11139, 12267, 20619, 33417, 36801, 61857, 100251, 107677, 110403, 185571, 300753, 323031, 969093, 2907279, 8721837]

約数ペア:

[(1, 8721837), (3, 2907279), (9, 969093), (27, 323031), (29, 300753), (47, 185571), (79, 110403), (81, 107677), (87, 100251), (141, 61857), (237, 36801), (261, 33417), (423, 20619), (711, 12267), (783, 11139), (1269, 6873), (1363, 6399), (2133, 4089), (2291, 3807), (2349, 3713)]