2783131533

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{178853}}^1$

素因数の和:178898

約数の個数: 48

約数和(自身を含む): 5208228480

約数和(自身を除く): 2425096947

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 171, 247, 273, 399, 741, 819, 1197, 1729, 2223, 5187, 15561, 178853, 536559, 1251971, 1609677, 2325089, 3398207, 3755913, 6975267, 10194621, 11267739, 16275623, 20925801, 23787449, 30583863, 44176691, 48826869, 71362347, 132530073, 146480607, 214087041, 309236837, 397590219, 927710511, 2783131533]

約数ペア:

[(1, 2783131533), (3, 927710511), (7, 397590219), (9, 309236837), (13, 214087041), (19, 146480607), (21, 132530073), (39, 71362347), (57, 48826869), (63, 44176691), (91, 30583863), (117, 23787449), (133, 20925801), (171, 16275623), (247, 11267739), (273, 10194621), (399, 6975267), (741, 3755913), (819, 3398207), (1197, 2325089), (1729, 1609677), (2223, 1251971), (5187, 536559), (15561, 178853)]