205583913

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{677}}^1$

素因数の和:875

約数の個数: 40

約数和(自身を含む): 322901568

約数和(自身を除く): 117317655

約数列:

[1, 3, 9, 23, 27, 69, 81, 163, 207, 489, 621, 677, 1467, 1863, 2031, 3749, 4401, 6093, 11247, 13203, 15571, 18279, 33741, 46713, 54837, 101223, 110351, 140139, 303669, 331053, 420417, 993159, 1261251, 2538073, 2979477, 7614219, 8938431, 22842657, 68527971, 205583913]

約数ペア:

[(1, 205583913), (3, 68527971), (9, 22842657), (23, 8938431), (27, 7614219), (69, 2979477), (81, 2538073), (163, 1261251), (207, 993159), (489, 420417), (621, 331053), (677, 303669), (1467, 140139), (1863, 110351), (2031, 101223), (3749, 54837), (4401, 46713), (6093, 33741), (11247, 18279), (13203, 15571)]