84087747

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 137871360

約数和(自身を除く): 53783613

約数列:

[1, 3, 9, 23, 27, 43, 47, 67, 69, 129, 141, 201, 207, 387, 423, 603, 621, 989, 1081, 1161, 1269, 1541, 1809, 2021, 2881, 2967, 3149, 3243, 4623, 6063, 8643, 8901, 9447, 9729, 13869, 18189, 25929, 26703, 28341, 29187, 41607, 46483, 54567, 66263, 72427, 77787, 85023, 135407, 139449, 198789, 217281, 406221, 418347, 596367, 651843, 1218663, 1255041, 1789101, 1955529, 3114361, 3655989, 9343083, 28029249, 84087747]

約数ペア:

[(1, 84087747), (3, 28029249), (9, 9343083), (23, 3655989), (27, 3114361), (43, 1955529), (47, 1789101), (67, 1255041), (69, 1218663), (129, 651843), (141, 596367), (201, 418347), (207, 406221), (387, 217281), (423, 198789), (603, 139449), (621, 135407), (989, 85023), (1081, 77787), (1161, 72427), (1269, 66263), (1541, 54567), (1809, 46483), (2021, 41607), (2881, 29187), (2967, 28341), (3149, 26703), (3243, 25929), (4623, 18189), (6063, 13869), (8643, 9729), (8901, 9447)]