220142955

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{2131}}^1$

素因数の和:2307

約数の個数: 32

約数和(自身を含む): 361041408

約数和(自身を除く): 140898453

約数列:

[1, 3, 5, 15, 71, 97, 213, 291, 355, 485, 1065, 1455, 2131, 6393, 6887, 10655, 20661, 31965, 34435, 103305, 151301, 206707, 453903, 620121, 756505, 1033535, 2269515, 3100605, 14676197, 44028591, 73380985, 220142955]

約数ペア:

[(1, 220142955), (3, 73380985), (5, 44028591), (15, 14676197), (71, 3100605), (97, 2269515), (213, 1033535), (291, 756505), (355, 620121), (485, 453903), (1065, 206707), (1455, 151301), (2131, 103305), (6393, 34435), (6887, 31965), (10655, 20661)]