203930811

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1091}}^1$

素因数の和:1173

約数の個数: 64

約数和(自身を含む): 369008640

約数和(自身を除く): 165077829

約数列:

[1, 3, 7, 9, 21, 23, 27, 43, 63, 69, 129, 161, 189, 207, 301, 387, 483, 621, 903, 989, 1091, 1161, 1449, 2709, 2967, 3273, 4347, 6923, 7637, 8127, 8901, 9819, 20769, 22911, 25093, 26703, 29457, 46913, 62307, 68733, 75279, 140739, 175651, 186921, 206199, 225837, 328391, 422217, 526953, 677511, 985173, 1078999, 1266651, 1580859, 2955519, 3236997, 4742577, 7552993, 8866557, 9710991, 22658979, 29132973, 67976937, 203930811]

約数ペア:

[(1, 203930811), (3, 67976937), (7, 29132973), (9, 22658979), (21, 9710991), (23, 8866557), (27, 7552993), (43, 4742577), (63, 3236997), (69, 2955519), (129, 1580859), (161, 1266651), (189, 1078999), (207, 985173), (301, 677511), (387, 526953), (483, 422217), (621, 328391), (903, 225837), (989, 206199), (1091, 186921), (1161, 175651), (1449, 140739), (2709, 75279), (2967, 68733), (3273, 62307), (4347, 46913), (6923, 29457), (7637, 26703), (8127, 25093), (8901, 22911), (9819, 20769)]