1320921

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1$

素因数の和:286

約数の個数: 32

約数和(自身を含む): 2323200

約数和(自身を除く): 1002279

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 241, 261, 609, 723, 783, 1687, 1827, 2169, 5061, 5481, 6507, 6989, 15183, 20967, 45549, 48923, 62901, 146769, 188703, 440307, 1320921]

約数ペア:

[(1, 1320921), (3, 440307), (7, 188703), (9, 146769), (21, 62901), (27, 48923), (29, 45549), (63, 20967), (87, 15183), (189, 6989), (203, 6507), (241, 5481), (261, 5061), (609, 2169), (723, 1827), (783, 1687)]