68219739

素因数分解:

$3^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1523}}^1$

素因数の和:1621

約数の個数: 40

約数和(自身を含む): 118018560

約数和(自身を除く): 49798821

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 81, 189, 237, 553, 567, 711, 1523, 1659, 2133, 4569, 4977, 6399, 10661, 13707, 14931, 31983, 41121, 44793, 95949, 120317, 123363, 287847, 360951, 842219, 863541, 1082853, 2526657, 3248559, 7579971, 9745677, 22739913, 68219739]

約数ペア:

[(1, 68219739), (3, 22739913), (7, 9745677), (9, 7579971), (21, 3248559), (27, 2526657), (63, 1082853), (79, 863541), (81, 842219), (189, 360951), (237, 287847), (553, 123363), (567, 120317), (711, 95949), (1523, 44793), (1659, 41121), (2133, 31983), (4569, 14931), (4977, 13707), (6399, 10661)]