128225517

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{457}}^1$

素因数の和:929

約数の個数: 32

約数和(自身を含む): 202604544

約数和(自身を除く): 74379027

約数列:

[1, 3, 7, 21, 31, 93, 217, 431, 457, 651, 1293, 1371, 3017, 3199, 9051, 9597, 13361, 14167, 40083, 42501, 93527, 99169, 196967, 280581, 297507, 590901, 1378769, 4136307, 6105977, 18317931, 42741839, 128225517]

約数ペア:

[(1, 128225517), (3, 42741839), (7, 18317931), (21, 6105977), (31, 4136307), (93, 1378769), (217, 590901), (431, 297507), (457, 280581), (651, 196967), (1293, 99169), (1371, 93527), (3017, 42501), (3199, 40083), (9051, 14167), (9597, 13361)]