159553947

素因数分解:

$3^1\times 7^2\times {\mathrm{263}}^1\times {\mathrm{4127}}^1$

素因数の和:4407

約数の個数: 24

約数和(自身を含む): 248472576

約数和(自身を除く): 88918629

約数列:

[1, 3, 7, 21, 49, 147, 263, 789, 1841, 4127, 5523, 12381, 12887, 28889, 38661, 86667, 202223, 606669, 1085401, 3256203, 7597807, 22793421, 53184649, 159553947]

約数ペア:

[(1, 159553947), (3, 53184649), (7, 22793421), (21, 7597807), (49, 3256203), (147, 1085401), (263, 606669), (789, 202223), (1841, 86667), (4127, 38661), (5523, 28889), (12381, 12887)]