7912161

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:203

約数の個数: 40

約数和(自身を含む): 12824064

約数和(自身を除く): 4911903

約数列:

[1, 3, 9, 23, 27, 31, 69, 81, 93, 137, 207, 279, 411, 621, 713, 837, 1233, 1863, 2139, 2511, 3151, 3699, 4247, 6417, 9453, 11097, 12741, 19251, 28359, 38223, 57753, 85077, 97681, 114669, 255231, 293043, 344007, 879129, 2637387, 7912161]

約数ペア:

[(1, 7912161), (3, 2637387), (9, 879129), (23, 344007), (27, 293043), (31, 255231), (69, 114669), (81, 97681), (93, 85077), (137, 57753), (207, 38223), (279, 28359), (411, 19251), (621, 12741), (713, 11097), (837, 9453), (1233, 6417), (1863, 4247), (2139, 3699), (2511, 3151)]