127935759

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{1031}}^1$

素因数の和:1371

約数の個数: 32

約数和(自身を含む): 206069760

約数和(自身を除く): 78134001

約数列:

[1, 3, 7, 19, 21, 57, 133, 311, 399, 933, 1031, 2177, 3093, 5909, 6531, 7217, 17727, 19589, 21651, 41363, 58767, 124089, 137123, 320641, 411369, 961923, 2244487, 6092179, 6733461, 18276537, 42645253, 127935759]

約数ペア:

[(1, 127935759), (3, 42645253), (7, 18276537), (19, 6733461), (21, 6092179), (57, 2244487), (133, 961923), (311, 411369), (399, 320641), (933, 137123), (1031, 124089), (2177, 58767), (3093, 41363), (5909, 21651), (6531, 19589), (7217, 17727)]