2907279

素因数分解:

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

素因数の和:164

約数の個数: 32

約数和(自身を含む): 4608000

約数和(自身を除く): 1700721

約数列:

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

約数ペア:

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