220160997

素因数分解:

$3^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{4003}}^1$

素因数の和:4119

約数の個数: 40

約数和(自身を含む): 379835456

約数和(自身を除く): 159674459

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 97, 189, 291, 567, 679, 873, 2037, 2619, 4003, 6111, 7857, 12009, 18333, 28021, 36027, 54999, 84063, 108081, 252189, 324243, 388291, 756567, 1164873, 2269701, 2718037, 3494619, 8154111, 10483857, 24462333, 31451571, 73386999, 220160997]

約数ペア:

[(1, 220160997), (3, 73386999), (7, 31451571), (9, 24462333), (21, 10483857), (27, 8154111), (63, 3494619), (81, 2718037), (97, 2269701), (189, 1164873), (291, 756567), (567, 388291), (679, 324243), (873, 252189), (2037, 108081), (2619, 84063), (4003, 54999), (6111, 36027), (7857, 28021), (12009, 18333)]