31868961

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 46891008

約数和(自身を除く): 15022047

約数列:

[1, 3, 23, 31, 47, 69, 93, 141, 317, 713, 951, 1081, 1457, 2139, 3243, 4371, 7291, 9827, 14899, 21873, 29481, 33511, 44697, 100533, 226021, 342677, 461869, 678063, 1028031, 1385607, 10622987, 31868961]

約数ペア:

[(1, 31868961), (3, 10622987), (23, 1385607), (31, 1028031), (47, 678063), (69, 461869), (93, 342677), (141, 226021), (317, 100533), (713, 44697), (951, 33511), (1081, 29481), (1457, 21873), (2139, 14899), (3243, 9827), (4371, 7291)]