3945981

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 5861856

約数和(自身を除く): 1915875

約数列:

[1, 3, 13, 39, 43, 129, 169, 181, 507, 543, 559, 1677, 2353, 7059, 7267, 7783, 21801, 23349, 30589, 91767, 101179, 303537, 1315327, 3945981]

約数ペア:

[(1, 3945981), (3, 1315327), (13, 303537), (39, 101179), (43, 91767), (129, 30589), (169, 23349), (181, 21801), (507, 7783), (543, 7267), (559, 7059), (1677, 2353)]