2021235

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^2\times {\mathrm{61}}^1$

素因数の和:163

約数の個数: 24

約数和(自身を含む): 3358416

約数和(自身を除く): 1337181

約数列:

[1, 3, 5, 15, 47, 61, 141, 183, 235, 305, 705, 915, 2209, 2867, 6627, 8601, 11045, 14335, 33135, 43005, 134749, 404247, 673745, 2021235]

約数ペア:

[(1, 2021235), (3, 673745), (5, 404247), (15, 134749), (47, 43005), (61, 33135), (141, 14335), (183, 11045), (235, 8601), (305, 6627), (705, 2867), (915, 2209)]