1520221901

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^3\times {\mathrm{20149}}^1$

素因数の和:20217

約数の個数: 16

約数和(自身を含む): 1750632000

約数和(自身を除く): 230410099

約数列:

[1, 11, 19, 209, 361, 3971, 6859, 20149, 75449, 221639, 382831, 4211141, 7273789, 80011679, 138201991, 1520221901]

約数ペア:

[(1, 1520221901), (11, 138201991), (19, 80011679), (209, 7273789), (361, 4211141), (3971, 382831), (6859, 221639), (20149, 75449)]