520026735

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1\times {\mathrm{1109}}^1$

素因数の和:1887

約数の個数: 32

約数和(自身を含む): 853332480

約数和(自身を除く): 333305745

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 727, 1109, 2181, 3327, 3635, 5545, 10905, 16635, 31261, 47687, 93783, 143061, 156305, 238435, 468915, 715305, 806243, 2418729, 4031215, 12093645, 34668449, 104005347, 173342245, 520026735]

約数ペア:

[(1, 520026735), (3, 173342245), (5, 104005347), (15, 34668449), (43, 12093645), (129, 4031215), (215, 2418729), (645, 806243), (727, 715305), (1109, 468915), (2181, 238435), (3327, 156305), (3635, 143061), (5545, 93783), (10905, 47687), (16635, 31261)]