31817799

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{367}}^1$

素因数の和:421

約数の個数: 48

約数和(自身を含む): 53875200

約数和(自身を除く): 22057401

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 169, 171, 247, 351, 367, 507, 513, 741, 1101, 1521, 2223, 3211, 3303, 4563, 4771, 6669, 6973, 9633, 9909, 14313, 20919, 28899, 42939, 62023, 62757, 86697, 90649, 128817, 186069, 188271, 271947, 558207, 815841, 1178437, 1674621, 2447523, 3535311, 10605933, 31817799]

約数ペア:

[(1, 31817799), (3, 10605933), (9, 3535311), (13, 2447523), (19, 1674621), (27, 1178437), (39, 815841), (57, 558207), (117, 271947), (169, 188271), (171, 186069), (247, 128817), (351, 90649), (367, 86697), (507, 62757), (513, 62023), (741, 42939), (1101, 28899), (1521, 20919), (2223, 14313), (3211, 9909), (3303, 9633), (4563, 6973), (4771, 6669)]