1018381

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 24

約数和(自身を含む): 1365504

約数和(自身を除く): 347123

約数列:

[1, 7, 13, 19, 31, 91, 133, 217, 247, 361, 403, 589, 1729, 2527, 2821, 4123, 4693, 7657, 11191, 32851, 53599, 78337, 145483, 1018381]

約数ペア:

[(1, 1018381), (7, 145483), (13, 78337), (19, 53599), (31, 32851), (91, 11191), (133, 7657), (217, 4693), (247, 4123), (361, 2821), (403, 2527), (589, 1729)]