745220553

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{31321}}^1$

素因数の和:31445

約数の個数: 32

約数和(自身を含む): 1250875392

約数和(自身を除く): 505654839

約数列:

[1, 3, 7, 11, 21, 33, 77, 103, 231, 309, 721, 1133, 2163, 3399, 7931, 23793, 31321, 93963, 219247, 344531, 657741, 1033593, 2411717, 3226063, 7235151, 9678189, 22582441, 35486693, 67747323, 106460079, 248406851, 745220553]

約数ペア:

[(1, 745220553), (3, 248406851), (7, 106460079), (11, 67747323), (21, 35486693), (33, 22582441), (77, 9678189), (103, 7235151), (231, 3226063), (309, 2411717), (721, 1033593), (1133, 657741), (2163, 344531), (3399, 219247), (7931, 93963), (23793, 31321)]