820609491

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{337}}^1\times {\mathrm{2153}}^1$

素因数の和:2535

約数の個数: 32

約数和(自身を含む): 1223127360

約数和(自身を除く): 402517869

約数列:

[1, 3, 13, 29, 39, 87, 337, 377, 1011, 1131, 2153, 4381, 6459, 9773, 13143, 27989, 29319, 62437, 83967, 127049, 187311, 381147, 725561, 811681, 2176683, 2435043, 9432293, 21041269, 28296879, 63123807, 273536497, 820609491]

約数ペア:

[(1, 820609491), (3, 273536497), (13, 63123807), (29, 28296879), (39, 21041269), (87, 9432293), (337, 2435043), (377, 2176683), (1011, 811681), (1131, 725561), (2153, 381147), (4381, 187311), (6459, 127049), (9773, 83967), (13143, 62437), (27989, 29319)]