397228461

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{2741}}^1$

素因数の和:2921

約数の個数: 32

約数和(自身を含む): 620525568

約数和(自身を除く): 223297107

約数列:

[1, 3, 7, 21, 67, 103, 201, 309, 469, 721, 1407, 2163, 2741, 6901, 8223, 19187, 20703, 48307, 57561, 144921, 183647, 282323, 550941, 846969, 1285529, 1976261, 3856587, 5928783, 18915641, 56746923, 132409487, 397228461]

約数ペア:

[(1, 397228461), (3, 132409487), (7, 56746923), (21, 18915641), (67, 5928783), (103, 3856587), (201, 1976261), (309, 1285529), (469, 846969), (721, 550941), (1407, 282323), (2163, 183647), (2741, 144921), (6901, 57561), (8223, 48307), (19187, 20703)]