30747381

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{647}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 49102848

約数和(自身を除く): 18355467

約数列:

[1, 3, 7, 21, 31, 73, 93, 217, 219, 511, 647, 651, 1533, 1941, 2263, 4529, 6789, 13587, 15841, 20057, 47231, 47523, 60171, 140399, 141693, 330617, 421197, 991851, 1464161, 4392483, 10249127, 30747381]

約数ペア:

[(1, 30747381), (3, 10249127), (7, 4392483), (21, 1464161), (31, 991851), (73, 421197), (93, 330617), (217, 141693), (219, 140399), (511, 60171), (647, 47523), (651, 47231), (1533, 20057), (1941, 15841), (2263, 13587), (4529, 6789)]