121571781

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{607}}^1\times {\mathrm{661}}^1$

素因数の和:1372

約数の個数: 16

約数和(自身を含む): 164218368

約数和(自身を除く): 42646587

約数列:

[1, 3, 101, 303, 607, 661, 1821, 1983, 61307, 66761, 183921, 200283, 401227, 1203681, 40523927, 121571781]

約数ペア:

[(1, 121571781), (3, 40523927), (101, 1203681), (303, 401227), (607, 200283), (661, 183921), (1821, 66761), (1983, 61307)]