16967775

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 31033728

約数和(自身を除く): 14065953

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 131, 157, 165, 275, 393, 471, 655, 785, 825, 1441, 1727, 1965, 2355, 3275, 3925, 4323, 5181, 7205, 8635, 9825, 11775, 20567, 21615, 25905, 36025, 43175, 61701, 102835, 108075, 129525, 226237, 308505, 514175, 678711, 1131185, 1542525, 3393555, 5655925, 16967775]

約数ペア:

[(1, 16967775), (3, 5655925), (5, 3393555), (11, 1542525), (15, 1131185), (25, 678711), (33, 514175), (55, 308505), (75, 226237), (131, 129525), (157, 108075), (165, 102835), (275, 61701), (393, 43175), (471, 36025), (655, 25905), (785, 21615), (825, 20567), (1441, 11775), (1727, 9825), (1965, 8635), (2355, 7205), (3275, 5181), (3925, 4323)]