72770427

素因数分解:

$3^3\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:440

約数の個数: 32

約数和(自身を含む): 110223360

約数和(自身を除く): 37452933

約数列:

[1, 3, 9, 27, 103, 137, 191, 309, 411, 573, 927, 1233, 1719, 2781, 3699, 5157, 14111, 19673, 26167, 42333, 59019, 78501, 126999, 177057, 235503, 380997, 531171, 706509, 2695201, 8085603, 24256809, 72770427]

約数ペア:

[(1, 72770427), (3, 24256809), (9, 8085603), (27, 2695201), (103, 706509), (137, 531171), (191, 380997), (309, 235503), (411, 177057), (573, 126999), (927, 78501), (1233, 59019), (1719, 42333), (2781, 26167), (3699, 19673), (5157, 14111)]