20131119

素因数分解:

$3^3\times {\mathrm{487}}^1\times {\mathrm{1531}}^1$

素因数の和:2027

約数の個数: 16

約数和(自身を含む): 29904640

約数和(自身を除く): 9773521

約数列:

[1, 3, 9, 27, 487, 1461, 1531, 4383, 4593, 13149, 13779, 41337, 745597, 2236791, 6710373, 20131119]

約数ペア:

[(1, 20131119), (3, 6710373), (9, 2236791), (27, 745597), (487, 41337), (1461, 13779), (1531, 13149), (4383, 4593)]