17970173

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:165

約数の個数: 32

約数和(自身を含む): 21998592

約数和(自身を除く): 4028419

約数列:

[1, 13, 17, 31, 43, 61, 221, 403, 527, 559, 731, 793, 1037, 1333, 1891, 2623, 6851, 9503, 13481, 17329, 22661, 24583, 32147, 34099, 44591, 81313, 294593, 417911, 579683, 1057069, 1382321, 17970173]

約数ペア:

[(1, 17970173), (13, 1382321), (17, 1057069), (31, 579683), (43, 417911), (61, 294593), (221, 81313), (403, 44591), (527, 34099), (559, 32147), (731, 24583), (793, 22661), (1037, 17329), (1333, 13481), (1891, 9503), (2623, 6851)]