353117557

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1381}}^1$

素因数の和:1513

約数の個数: 24

約数和(自身を含む): 409707720

約数和(自身を除く): 56590163

約数列:

[1, 13, 17, 89, 169, 221, 1157, 1381, 1513, 2873, 15041, 17953, 19669, 23477, 122909, 233389, 255697, 305201, 1597817, 2089453, 3967613, 20771621, 27162889, 353117557]

約数ペア:

[(1, 353117557), (13, 27162889), (17, 20771621), (89, 3967613), (169, 2089453), (221, 1597817), (1157, 305201), (1381, 255697), (1513, 233389), (2873, 122909), (15041, 23477), (17953, 19669)]