406390749

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{607}}^1$

素因数の和:977

約数の個数: 32

約数和(自身を含む): 586481664

約数和(自身を除く): 180090915

約数列:

[1, 3, 23, 31, 69, 93, 313, 607, 713, 939, 1821, 2139, 7199, 9703, 13961, 18817, 21597, 29109, 41883, 56451, 189991, 223169, 432791, 569973, 669507, 1298373, 4369793, 5889721, 13109379, 17669163, 135463583, 406390749]

約数ペア:

[(1, 406390749), (3, 135463583), (23, 17669163), (31, 13109379), (69, 5889721), (93, 4369793), (313, 1298373), (607, 669507), (713, 569973), (939, 432791), (1821, 223169), (2139, 189991), (7199, 56451), (9703, 41883), (13961, 29109), (18817, 21597)]