67431399

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{3449}}^1$

素因数の和:3492

約数の個数: 32

約数和(自身を含む): 110400000

約数和(自身を除く): 42968601

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 343, 399, 931, 1029, 2793, 3449, 6517, 10347, 19551, 24143, 65531, 72429, 169001, 196593, 458717, 507003, 1183007, 1376151, 3211019, 3549021, 9633057, 22477133, 67431399]

約数ペア:

[(1, 67431399), (3, 22477133), (7, 9633057), (19, 3549021), (21, 3211019), (49, 1376151), (57, 1183007), (133, 507003), (147, 458717), (343, 196593), (399, 169001), (931, 72429), (1029, 65531), (2793, 24143), (3449, 19551), (6517, 10347)]