209715

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:91

約数の個数: 32

約数和(自身を含む): 387072

約数和(自身を除く): 177357

約数列:

[1, 3, 5, 11, 15, 31, 33, 41, 55, 93, 123, 155, 165, 205, 341, 451, 465, 615, 1023, 1271, 1353, 1705, 2255, 3813, 5115, 6355, 6765, 13981, 19065, 41943, 69905, 209715]

約数ペア:

[(1, 209715), (3, 69905), (5, 41943), (11, 19065), (15, 13981), (31, 6765), (33, 6355), (41, 5115), (55, 3813), (93, 2255), (123, 1705), (155, 1353), (165, 1271), (205, 1023), (341, 615), (451, 465)]