16938453

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 26836992

約数和(自身を除く): 9898539

約数列:

[1, 3, 7, 21, 41, 103, 123, 191, 287, 309, 573, 721, 861, 1337, 2163, 4011, 4223, 7831, 12669, 19673, 23493, 29561, 54817, 59019, 88683, 137711, 164451, 413133, 806593, 2419779, 5646151, 16938453]

約数ペア:

[(1, 16938453), (3, 5646151), (7, 2419779), (21, 806593), (41, 413133), (103, 164451), (123, 137711), (191, 88683), (287, 59019), (309, 54817), (573, 29561), (721, 23493), (861, 19673), (1337, 12669), (2163, 7831), (4011, 4223)]