9906813

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:135

約数の個数: 64

約数和(自身を含む): 18247680

約数和(自身を除く): 8340867

約数列:

[1, 3, 7, 9, 21, 23, 27, 43, 53, 63, 69, 129, 159, 161, 189, 207, 301, 371, 387, 477, 483, 621, 903, 989, 1113, 1161, 1219, 1431, 1449, 2279, 2709, 2967, 3339, 3657, 4347, 6837, 6923, 8127, 8533, 8901, 10017, 10971, 15953, 20511, 20769, 25599, 26703, 32913, 47859, 52417, 61533, 62307, 76797, 143577, 157251, 186921, 230391, 366919, 430731, 471753, 1100757, 1415259, 3302271, 9906813]

約数ペア:

[(1, 9906813), (3, 3302271), (7, 1415259), (9, 1100757), (21, 471753), (23, 430731), (27, 366919), (43, 230391), (53, 186921), (63, 157251), (69, 143577), (129, 76797), (159, 62307), (161, 61533), (189, 52417), (207, 47859), (301, 32913), (371, 26703), (387, 25599), (477, 20769), (483, 20511), (621, 15953), (903, 10971), (989, 10017), (1113, 8901), (1161, 8533), (1219, 8127), (1431, 6923), (1449, 6837), (2279, 4347), (2709, 3657), (2967, 3339)]