51781431

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{937}}^1$

素因数の和:1075

約数の個数: 24

約数和(自身を含む): 75527760

約数和(自身を除く): 23746329

約数列:

[1, 3, 13, 39, 109, 169, 327, 507, 937, 1417, 2811, 4251, 12181, 18421, 36543, 55263, 102133, 158353, 306399, 475059, 1327729, 3983187, 17260477, 51781431]

約数ペア:

[(1, 51781431), (3, 17260477), (13, 3983187), (39, 1327729), (109, 475059), (169, 306399), (327, 158353), (507, 102133), (937, 55263), (1417, 36543), (2811, 18421), (4251, 12181)]