71209449

素因数分解:

$3^6\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:209

約数の個数: 56

約数和(自身を含む): 115840512

約数和(自身を除く): 44631063

約数列:

[1, 3, 9, 23, 27, 31, 69, 81, 93, 137, 207, 243, 279, 411, 621, 713, 729, 837, 1233, 1863, 2139, 2511, 3151, 3699, 4247, 5589, 6417, 7533, 9453, 11097, 12741, 16767, 19251, 22599, 28359, 33291, 38223, 57753, 85077, 97681, 99873, 114669, 173259, 255231, 293043, 344007, 519777, 765693, 879129, 1032021, 2297079, 2637387, 3096063, 7912161, 23736483, 71209449]

約数ペア:

[(1, 71209449), (3, 23736483), (9, 7912161), (23, 3096063), (27, 2637387), (31, 2297079), (69, 1032021), (81, 879129), (93, 765693), (137, 519777), (207, 344007), (243, 293043), (279, 255231), (411, 173259), (621, 114669), (713, 99873), (729, 97681), (837, 85077), (1233, 57753), (1863, 38223), (2139, 33291), (2511, 28359), (3151, 22599), (3699, 19251), (4247, 16767), (5589, 12741), (6417, 11097), (7533, 9453)]