90991755

素因数分解:

$3^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1129}}^1$

素因数の和:1345

約数の個数: 40

約数和(自身を含む): 164076000

約数和(自身を除く): 73084245

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 199, 405, 597, 995, 1129, 1791, 2985, 3387, 5373, 5645, 8955, 10161, 16119, 16935, 26865, 30483, 50805, 80595, 91449, 152415, 224671, 457245, 674013, 1123355, 2022039, 3370065, 6066117, 10110195, 18198351, 30330585, 90991755]

約数ペア:

[(1, 90991755), (3, 30330585), (5, 18198351), (9, 10110195), (15, 6066117), (27, 3370065), (45, 2022039), (81, 1123355), (135, 674013), (199, 457245), (405, 224671), (597, 152415), (995, 91449), (1129, 80595), (1791, 50805), (2985, 30483), (3387, 26865), (5373, 16935), (5645, 16119), (8955, 10161)]