72972179

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{431}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 89538048

約数和(自身を除く): 16565869

約数列:

[1, 7, 19, 67, 133, 361, 431, 469, 1273, 2527, 3017, 8189, 8911, 24187, 28877, 57323, 155591, 169309, 202139, 548663, 1089137, 3840641, 10424597, 72972179]

約数ペア:

[(1, 72972179), (7, 10424597), (19, 3840641), (67, 1089137), (133, 548663), (361, 202139), (431, 169309), (469, 155591), (1273, 57323), (2527, 28877), (3017, 24187), (8189, 8911)]