66885381

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{353}}^1\times {\mathrm{569}}^1$

素因数の和:965

約数の個数: 24

約数和(自身を含む): 99679320

約数和(自身を除く): 32793939

約数列:

[1, 3, 9, 37, 111, 333, 353, 569, 1059, 1707, 3177, 5121, 13061, 21053, 39183, 63159, 117549, 189477, 200857, 602571, 1807713, 7431709, 22295127, 66885381]

約数ペア:

[(1, 66885381), (3, 22295127), (9, 7431709), (37, 1807713), (111, 602571), (333, 200857), (353, 189477), (569, 117549), (1059, 63159), (1707, 39183), (3177, 21053), (5121, 13061)]