199029915

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{90263}}^1$

素因数の和:90288

約数の個数: 36

約数和(自身を含む): 401313744

約数和(自身を除く): 202283829

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 90263, 270789, 451315, 631841, 812367, 1353945, 1895523, 3159205, 4061835, 4422887, 5686569, 9477615, 13268661, 22114435, 28432845, 39805983, 66343305, 199029915]

約数ペア:

[(1, 199029915), (3, 66343305), (5, 39805983), (7, 28432845), (9, 22114435), (15, 13268661), (21, 9477615), (35, 5686569), (45, 4422887), (49, 4061835), (63, 3159205), (105, 1895523), (147, 1353945), (245, 812367), (315, 631841), (441, 451315), (735, 270789), (2205, 90263)]