220197555

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{85847}}^1$

素因数の和:85880

約数の個数: 32

約数和(自身を含む): 412070400

約数和(自身を除く): 191872845

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 85847, 257541, 429235, 772623, 1287705, 1631093, 2317869, 3863115, 4893279, 8155465, 11589345, 14679837, 24466395, 44039511, 73399185, 220197555]

約数ペア:

[(1, 220197555), (3, 73399185), (5, 44039511), (9, 24466395), (15, 14679837), (19, 11589345), (27, 8155465), (45, 4893279), (57, 3863115), (95, 2317869), (135, 1631093), (171, 1287705), (285, 772623), (513, 429235), (855, 257541), (2565, 85847)]