18187065

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 35777280

約数和(自身を除く): 17590215

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 43, 45, 65, 117, 129, 135, 195, 215, 241, 351, 387, 559, 585, 645, 723, 1161, 1205, 1677, 1755, 1935, 2169, 2795, 3133, 3615, 5031, 5805, 6507, 8385, 9399, 10363, 10845, 15093, 15665, 25155, 28197, 31089, 32535, 46995, 51815, 75465, 84591, 93267, 134719, 140985, 155445, 279801, 404157, 422955, 466335, 673595, 1212471, 1399005, 2020785, 3637413, 6062355, 18187065]

約数ペア:

[(1, 18187065), (3, 6062355), (5, 3637413), (9, 2020785), (13, 1399005), (15, 1212471), (27, 673595), (39, 466335), (43, 422955), (45, 404157), (65, 279801), (117, 155445), (129, 140985), (135, 134719), (195, 93267), (215, 84591), (241, 75465), (351, 51815), (387, 46995), (559, 32535), (585, 31089), (645, 28197), (723, 25155), (1161, 15665), (1205, 15093), (1677, 10845), (1755, 10363), (1935, 9399), (2169, 8385), (2795, 6507), (3133, 5805), (3615, 5031)]