15205531

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:163

約数の個数: 32

約数和(自身を含む): 18855936

約数和(自身を除く): 3650405

約数列:

[1, 11, 17, 31, 43, 61, 187, 341, 473, 527, 671, 731, 1037, 1333, 1891, 2623, 5797, 8041, 11407, 14663, 20801, 22661, 28853, 32147, 44591, 81313, 249271, 353617, 490501, 894443, 1382321, 15205531]

約数ペア:

[(1, 15205531), (11, 1382321), (17, 894443), (31, 490501), (43, 353617), (61, 249271), (187, 81313), (341, 44591), (473, 32147), (527, 28853), (671, 22661), (731, 20801), (1037, 14663), (1333, 11407), (1891, 8041), (2623, 5797)]