128308905

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{98321}}^1$

素因数の和:98361

約数の個数: 24

約数和(自身を含む): 230073480

約数和(自身を除く): 101764575

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 98321, 294963, 491605, 884889, 1474815, 2851309, 4424445, 8553927, 14256545, 25661781, 42769635, 128308905]

約数ペア:

[(1, 128308905), (3, 42769635), (5, 25661781), (9, 14256545), (15, 8553927), (29, 4424445), (45, 2851309), (87, 1474815), (145, 884889), (261, 491605), (435, 294963), (1305, 98321)]