782978217

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{10867}}^1$

素因数の和:10997

約数の個数: 32

約数和(自身を含む): 1235300352

約数和(自身を除く): 452322135

約数列:

[1, 3, 7, 21, 47, 73, 141, 219, 329, 511, 987, 1533, 3431, 10293, 10867, 24017, 32601, 72051, 76069, 228207, 510749, 793291, 1532247, 2379873, 3575243, 5553037, 10725729, 16659111, 37284677, 111854031, 260992739, 782978217]

約数ペア:

[(1, 782978217), (3, 260992739), (7, 111854031), (21, 37284677), (47, 16659111), (73, 10725729), (141, 5553037), (219, 3575243), (329, 2379873), (511, 1532247), (987, 793291), (1533, 510749), (3431, 228207), (10293, 76069), (10867, 72051), (24017, 32601)]