641793

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:204

約数の個数: 16

約数和(自身を含む): 905216

約数和(自身を除く): 263423

約数列:

[1, 3, 31, 67, 93, 103, 201, 309, 2077, 3193, 6231, 6901, 9579, 20703, 213931, 641793]

約数ペア:

[(1, 641793), (3, 213931), (31, 20703), (67, 9579), (93, 6901), (103, 6231), (201, 3193), (309, 2077)]