78842775

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{421}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 143169408

約数和(自身を除く): 64326633

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 227, 275, 421, 681, 825, 1135, 1263, 2105, 2497, 3405, 4631, 5675, 6315, 7491, 10525, 12485, 13893, 17025, 23155, 31575, 37455, 62425, 69465, 95567, 115775, 187275, 286701, 347325, 477835, 1051237, 1433505, 2389175, 3153711, 5256185, 7167525, 15768555, 26280925, 78842775]

約数ペア:

[(1, 78842775), (3, 26280925), (5, 15768555), (11, 7167525), (15, 5256185), (25, 3153711), (33, 2389175), (55, 1433505), (75, 1051237), (165, 477835), (227, 347325), (275, 286701), (421, 187275), (681, 115775), (825, 95567), (1135, 69465), (1263, 62425), (2105, 37455), (2497, 31575), (3405, 23155), (4631, 17025), (5675, 13893), (6315, 12485), (7491, 10525)]