13217897

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:341

約数の個数: 24

約数和(自身を含む): 16990560

約数和(自身を除く): 3772663

約数列:

[1, 7, 11, 49, 77, 137, 179, 539, 959, 1253, 1507, 1969, 6713, 8771, 10549, 13783, 24523, 73843, 96481, 171661, 269753, 1201627, 1888271, 13217897]

約数ペア:

[(1, 13217897), (7, 1888271), (11, 1201627), (49, 269753), (77, 171661), (137, 96481), (179, 73843), (539, 24523), (959, 13783), (1253, 10549), (1507, 8771), (1969, 6713)]