812763

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:136

約数の個数: 36

約数和(自身を含む): 1452360

約数和(自身を除く): 639597

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 97, 133, 147, 171, 291, 399, 441, 679, 873, 931, 1197, 1843, 2037, 2793, 4753, 5529, 6111, 8379, 12901, 14259, 16587, 38703, 42777, 90307, 116109, 270921, 812763]

約数ペア:

[(1, 812763), (3, 270921), (7, 116109), (9, 90307), (19, 42777), (21, 38703), (49, 16587), (57, 14259), (63, 12901), (97, 8379), (133, 6111), (147, 5529), (171, 4753), (291, 2793), (399, 2037), (441, 1843), (679, 1197), (873, 931)]