1222857

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:530

約数の個数: 20

約数和(自身を含む): 1889536

約数和(自身を除く): 666679

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 487, 837, 1461, 2511, 4383, 13149, 15097, 39447, 45291, 135873, 407619, 1222857]

約数ペア:

[(1, 1222857), (3, 407619), (9, 135873), (27, 45291), (31, 39447), (81, 15097), (93, 13149), (279, 4383), (487, 2511), (837, 1461)]