16315509

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{397}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 26490880

約数和(自身を除く): 10175371

約数列:

[1, 3, 7, 19, 21, 57, 103, 133, 309, 397, 399, 721, 1191, 1957, 2163, 2779, 5871, 7543, 8337, 13699, 22629, 40891, 41097, 52801, 122673, 158403, 286237, 776929, 858711, 2330787, 5438503, 16315509]

約数ペア:

[(1, 16315509), (3, 5438503), (7, 2330787), (19, 858711), (21, 776929), (57, 286237), (103, 158403), (133, 122673), (309, 52801), (397, 41097), (399, 40891), (721, 22629), (1191, 13699), (1957, 8337), (2163, 7543), (2779, 5871)]