197817729

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{1021}}^1$

素因数の和:1201

約数の個数: 32

約数和(自身を含む): 291392640

約数和(自身を除く): 93574911

約数列:

[1, 3, 17, 29, 51, 87, 131, 393, 493, 1021, 1479, 2227, 3063, 3799, 6681, 11397, 17357, 29609, 52071, 64583, 88827, 133751, 193749, 401253, 503353, 1510059, 2273767, 3878779, 6821301, 11636337, 65939243, 197817729]

約数ペア:

[(1, 197817729), (3, 65939243), (17, 11636337), (29, 6821301), (51, 3878779), (87, 2273767), (131, 1510059), (393, 503353), (493, 401253), (1021, 193749), (1479, 133751), (2227, 88827), (3063, 64583), (3799, 52071), (6681, 29609), (11397, 17357)]