9991737

素因数分解:

$3^2\times 7^2\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:322

約数の個数: 36

約数和(自身を含む): 17013360

約数和(自身を除く): 7021623

約数列:

[1, 3, 7, 9, 21, 49, 63, 139, 147, 163, 417, 441, 489, 973, 1141, 1251, 1467, 2919, 3423, 6811, 7987, 8757, 10269, 20433, 22657, 23961, 61299, 67971, 71883, 158599, 203913, 475797, 1110193, 1427391, 3330579, 9991737]

約数ペア:

[(1, 9991737), (3, 3330579), (7, 1427391), (9, 1110193), (21, 475797), (49, 203913), (63, 158599), (139, 71883), (147, 67971), (163, 61299), (417, 23961), (441, 22657), (489, 20433), (973, 10269), (1141, 8757), (1251, 7987), (1467, 6811), (2919, 3423)]