81733977

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 141312600

約数和(自身を除く): 59578623

約数列:

[1, 3, 9, 13, 17, 29, 39, 51, 87, 109, 117, 153, 169, 221, 261, 327, 377, 493, 507, 663, 981, 1131, 1417, 1479, 1521, 1853, 1989, 2873, 3161, 3393, 4251, 4437, 4901, 5559, 6409, 8619, 9483, 12753, 14703, 16677, 18421, 19227, 24089, 25857, 28449, 41093, 44109, 53737, 55263, 57681, 72267, 83317, 123279, 161211, 165789, 216801, 249951, 313157, 369837, 483633, 534209, 698581, 749853, 939471, 1602627, 2095743, 2818413, 4807881, 6287229, 9081553, 27244659, 81733977]

約数ペア:

[(1, 81733977), (3, 27244659), (9, 9081553), (13, 6287229), (17, 4807881), (29, 2818413), (39, 2095743), (51, 1602627), (87, 939471), (109, 749853), (117, 698581), (153, 534209), (169, 483633), (221, 369837), (261, 313157), (327, 249951), (377, 216801), (493, 165789), (507, 161211), (663, 123279), (981, 83317), (1131, 72267), (1417, 57681), (1479, 55263), (1521, 53737), (1853, 44109), (1989, 41093), (2873, 28449), (3161, 25857), (3393, 24089), (4251, 19227), (4437, 18421), (4901, 16677), (5559, 14703), (6409, 12753), (8619, 9483)]