67212981

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 112432320

約数和(自身を除く): 45219339

約数列:

[1, 3, 9, 11, 29, 33, 41, 87, 99, 123, 261, 319, 369, 451, 571, 957, 1189, 1353, 1713, 2871, 3567, 4059, 5139, 6281, 10701, 13079, 16559, 18843, 23411, 39237, 49677, 56529, 70233, 117711, 149031, 182149, 210699, 257521, 546447, 678919, 772563, 1639341, 2036757, 2317689, 6110271, 7468109, 22404327, 67212981]

約数ペア:

[(1, 67212981), (3, 22404327), (9, 7468109), (11, 6110271), (29, 2317689), (33, 2036757), (41, 1639341), (87, 772563), (99, 678919), (123, 546447), (261, 257521), (319, 210699), (369, 182149), (451, 149031), (571, 117711), (957, 70233), (1189, 56529), (1353, 49677), (1713, 39237), (2871, 23411), (3567, 18843), (4059, 16559), (5139, 13079), (6281, 10701)]