421750399

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{479}}^1$

素因数の和:668

約数の個数: 32

約数和(自身を含む): 525312000

約数和(自身を除く): 103561601

約数列:

[1, 7, 17, 49, 119, 151, 343, 479, 833, 1057, 2567, 3353, 5831, 7399, 8143, 17969, 23471, 51793, 57001, 72329, 125783, 164297, 399007, 506303, 880481, 1229593, 2793049, 3544121, 8607151, 24808847, 60250057, 421750399]

約数ペア:

[(1, 421750399), (7, 60250057), (17, 24808847), (49, 8607151), (119, 3544121), (151, 2793049), (343, 1229593), (479, 880481), (833, 506303), (1057, 399007), (2567, 164297), (3353, 125783), (5831, 72329), (7399, 57001), (8143, 51793), (17969, 23471)]