253806721

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{577}}^1$

素因数の和:829

約数の個数: 24

約数和(自身を含む): 303630336

約数和(自身を除く): 49823615

約数列:

[1, 7, 47, 49, 191, 329, 577, 1337, 2303, 4039, 8977, 9359, 27119, 28273, 62839, 110207, 189833, 439873, 771449, 1328831, 5179729, 5400143, 36258103, 253806721]

約数ペア:

[(1, 253806721), (7, 36258103), (47, 5400143), (49, 5179729), (191, 1328831), (329, 771449), (577, 439873), (1337, 189833), (2303, 110207), (4039, 62839), (8977, 28273), (9359, 27119)]