66540579

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{9631}}^1$

素因数の和:9695

約数の個数: 24

約数和(自身を含む): 105412608

約数和(自身を除く): 38872029

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 987, 2303, 6909, 9631, 28893, 67417, 202251, 452657, 471919, 1357971, 1415757, 3168599, 9505797, 22180193, 66540579]

約数ペア:

[(1, 66540579), (3, 22180193), (7, 9505797), (21, 3168599), (47, 1415757), (49, 1357971), (141, 471919), (147, 452657), (329, 202251), (987, 67417), (2303, 28893), (6909, 9631)]