228921987

素因数分解:

$3^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{19571}}^1$

素因数の和:20138

約数の個数: 16

約数和(自身を含む): 349477632

約数和(自身を除く): 120555645

約数列:

[1, 3, 7, 21, 557, 1671, 3899, 11697, 19571, 58713, 136997, 410991, 10901047, 32703141, 76307329, 228921987]

約数ペア:

[(1, 228921987), (3, 76307329), (7, 32703141), (21, 10901047), (557, 410991), (1671, 136997), (3899, 58713), (11697, 19571)]