66729159

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 117262080

約数和(自身を除く): 50532921

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 107, 133, 171, 321, 399, 521, 749, 963, 1197, 1563, 2033, 2247, 3647, 4689, 6099, 6741, 9899, 10941, 14231, 18297, 29697, 32823, 42693, 55747, 69293, 89091, 128079, 167241, 207879, 390229, 501723, 623637, 1059193, 1170687, 3177579, 3512061, 7414351, 9532737, 22243053, 66729159]

約数ペア:

[(1, 66729159), (3, 22243053), (7, 9532737), (9, 7414351), (19, 3512061), (21, 3177579), (57, 1170687), (63, 1059193), (107, 623637), (133, 501723), (171, 390229), (321, 207879), (399, 167241), (521, 128079), (749, 89091), (963, 69293), (1197, 55747), (1563, 42693), (2033, 32823), (2247, 29697), (3647, 18297), (4689, 14231), (6099, 10941), (6741, 9899)]