13809915

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{6263}}^1$

素因数の和:6288

約数の個数: 36

約数和(自身を含む): 27849744

約数和(自身を除く): 14039829

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 6263, 18789, 31315, 43841, 56367, 93945, 131523, 219205, 281835, 306887, 394569, 657615, 920661, 1534435, 1972845, 2761983, 4603305, 13809915]

約数ペア:

[(1, 13809915), (3, 4603305), (5, 2761983), (7, 1972845), (9, 1534435), (15, 920661), (21, 657615), (35, 394569), (45, 306887), (49, 281835), (63, 219205), (105, 131523), (147, 93945), (245, 56367), (315, 43841), (441, 31315), (735, 18789), (2205, 6263)]