201388905

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{154321}}^1$

素因数の和:154361

約数の個数: 24

約数和(自身を含む): 361113480

約数和(自身を除く): 159724575

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 154321, 462963, 771605, 1388889, 2314815, 4475309, 6944445, 13425927, 22376545, 40277781, 67129635, 201388905]

約数ペア:

[(1, 201388905), (3, 67129635), (5, 40277781), (9, 22376545), (15, 13425927), (29, 6944445), (45, 4475309), (87, 2314815), (145, 1388889), (261, 771605), (435, 462963), (1305, 154321)]