643669131

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{7331}}^1$

素因数の和:7491

約数の個数: 32

約数和(自身を含む): 1016391168

約数和(自身を除く): 372722037

約数列:

[1, 3, 7, 21, 37, 111, 113, 259, 339, 777, 791, 2373, 4181, 7331, 12543, 21993, 29267, 51317, 87801, 153951, 271247, 813741, 828403, 1898729, 2485209, 5696187, 5798821, 17396463, 30650911, 91952733, 214556377, 643669131]

約数ペア:

[(1, 643669131), (3, 214556377), (7, 91952733), (21, 30650911), (37, 17396463), (111, 5798821), (113, 5696187), (259, 2485209), (339, 1898729), (777, 828403), (791, 813741), (2373, 271247), (4181, 153951), (7331, 87801), (12543, 51317), (21993, 29267)]