720672051

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{541}}^1\times {\mathrm{1091}}^1$

素因数の和:1683

約数の個数: 32

約数和(自身を含む): 1079559936

約数和(自身を除く): 358887885

約数列:

[1, 3, 11, 33, 37, 111, 407, 541, 1091, 1221, 1623, 3273, 5951, 12001, 17853, 20017, 36003, 40367, 60051, 121101, 220187, 444037, 590231, 660561, 1332111, 1770693, 6492541, 19477623, 21838547, 65515641, 240224017, 720672051]

約数ペア:

[(1, 720672051), (3, 240224017), (11, 65515641), (33, 21838547), (37, 19477623), (111, 6492541), (407, 1770693), (541, 1332111), (1091, 660561), (1221, 590231), (1623, 444037), (3273, 220187), (5951, 121101), (12001, 60051), (17853, 40367), (20017, 36003)]