221519157

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{383}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 318259200

約数和(自身を除く): 96740043

約数列:

[1, 3, 19, 57, 73, 139, 219, 383, 417, 1149, 1387, 2641, 4161, 7277, 7923, 10147, 21831, 27959, 30441, 53237, 83877, 159711, 192793, 531221, 578379, 1011503, 1593663, 3034509, 3886301, 11658903, 73839719, 221519157]

約数ペア:

[(1, 221519157), (3, 73839719), (19, 11658903), (57, 3886301), (73, 3034509), (139, 1593663), (219, 1011503), (383, 578379), (417, 531221), (1149, 192793), (1387, 159711), (2641, 83877), (4161, 53237), (7277, 30441), (7923, 27959), (10147, 21831)]