80621793

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41281}}^1$

素因数の和:41325

約数の個数: 24

約数和(自身を含む): 137386496

約数和(自身を除く): 56764703

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 41281, 123843, 288967, 371529, 866901, 1279711, 2600703, 3839133, 8957977, 11517399, 26873931, 80621793]

約数ペア:

[(1, 80621793), (3, 26873931), (7, 11517399), (9, 8957977), (21, 3839133), (31, 2600703), (63, 1279711), (93, 866901), (217, 371529), (279, 288967), (651, 123843), (1953, 41281)]