31113963

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 51367680

約数和(自身を除く): 20253717

約数列:

[1, 3, 9, 19, 23, 27, 57, 69, 81, 171, 207, 243, 293, 437, 513, 621, 879, 1311, 1539, 1863, 2637, 3933, 4617, 5567, 5589, 6739, 7911, 11799, 16701, 20217, 23733, 35397, 50103, 60651, 71199, 106191, 128041, 150309, 181953, 384123, 450927, 545859, 1152369, 1352781, 1637577, 3457107, 10371321, 31113963]

約数ペア:

[(1, 31113963), (3, 10371321), (9, 3457107), (19, 1637577), (23, 1352781), (27, 1152369), (57, 545859), (69, 450927), (81, 384123), (171, 181953), (207, 150309), (243, 128041), (293, 106191), (437, 71199), (513, 60651), (621, 50103), (879, 35397), (1311, 23733), (1539, 20217), (1863, 16701), (2637, 11799), (3933, 7911), (4617, 6739), (5567, 5589)]