72231489

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 119246400

約数和(自身を除く): 47014911

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 139, 181, 261, 319, 417, 543, 957, 1251, 1529, 1629, 1991, 2871, 4031, 4587, 5249, 5973, 12093, 13761, 15747, 17919, 25159, 36279, 44341, 47241, 57739, 75477, 133023, 173217, 226431, 276749, 399069, 519651, 729611, 830247, 2188833, 2490741, 6566499, 8025721, 24077163, 72231489]

約数ペア:

[(1, 72231489), (3, 24077163), (9, 8025721), (11, 6566499), (29, 2490741), (33, 2188833), (87, 830247), (99, 729611), (139, 519651), (181, 399069), (261, 276749), (319, 226431), (417, 173217), (543, 133023), (957, 75477), (1251, 57739), (1529, 47241), (1629, 44341), (1991, 36279), (2871, 25159), (4031, 17919), (4587, 15747), (5249, 13761), (5973, 12093)]