77858739

素因数分解:

$3^4\times 7^1\times {\mathrm{353}}^1\times {\mathrm{389}}^1$

素因数の和:761

約数の個数: 40

約数和(自身を含む): 133642080

約数和(自身を除く): 55783341

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 353, 389, 567, 1059, 1167, 2471, 2723, 3177, 3501, 7413, 8169, 9531, 10503, 22239, 24507, 28593, 31509, 66717, 73521, 137317, 200151, 220563, 411951, 961219, 1235853, 2883657, 3707559, 8650971, 11122677, 25952913, 77858739]

約数ペア:

[(1, 77858739), (3, 25952913), (7, 11122677), (9, 8650971), (21, 3707559), (27, 2883657), (63, 1235853), (81, 961219), (189, 411951), (353, 220563), (389, 200151), (567, 137317), (1059, 73521), (1167, 66717), (2471, 31509), (2723, 28593), (3177, 24507), (3501, 22239), (7413, 10503), (8169, 9531)]