29813217

素因数分解:

$3^1\times 7^4\times {\mathrm{4139}}^1$

素因数の和:4170

約数の個数: 20

約数和(自身を含む): 46384560

約数和(自身を除く): 16571343

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 4139, 7203, 12417, 28973, 86919, 202811, 608433, 1419677, 4259031, 9937739, 29813217]

約数ペア:

[(1, 29813217), (3, 9937739), (7, 4259031), (21, 1419677), (49, 608433), (147, 202811), (343, 86919), (1029, 28973), (2401, 12417), (4139, 7203)]