217362607

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2221}}^1$

素因数の和:2311

約数の個数: 32

約数和(自身を含む): 286691328

約数和(自身を除く): 69328721

約数列:

[1, 7, 11, 31, 41, 77, 217, 287, 341, 451, 1271, 2221, 2387, 3157, 8897, 13981, 15547, 24431, 68851, 91061, 97867, 171017, 481957, 637427, 757361, 1001671, 2822891, 5301527, 7011697, 19760237, 31051801, 217362607]

約数ペア:

[(1, 217362607), (7, 31051801), (11, 19760237), (31, 7011697), (41, 5301527), (77, 2822891), (217, 1001671), (287, 757361), (341, 637427), (451, 481957), (1271, 171017), (2221, 97867), (2387, 91061), (3157, 68851), (8897, 24431), (13981, 15547)]