215445209

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1283}}^1$

素因数の和:1469

約数の個数: 24

約数和(自身を含む): 263476800

約数和(自身を除く): 48031591

約数列:

[1, 7, 23, 49, 149, 161, 1043, 1127, 1283, 3427, 7301, 8981, 23989, 29509, 62867, 167923, 191167, 206563, 1338169, 1445941, 4396841, 9367183, 30777887, 215445209]

約数ペア:

[(1, 215445209), (7, 30777887), (23, 9367183), (49, 4396841), (149, 1445941), (161, 1338169), (1043, 206563), (1127, 191167), (1283, 167923), (3427, 62867), (7301, 29509), (8981, 23989)]