30986955

素因数分解:

$3^4\times 5^1\times {\mathrm{76511}}^1$

素因数の和:76528

約数の個数: 20

約数和(自身を含む): 55547712

約数和(自身を除く): 24560757

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 76511, 229533, 382555, 688599, 1147665, 2065797, 3442995, 6197391, 10328985, 30986955]

約数ペア:

[(1, 30986955), (3, 10328985), (5, 6197391), (9, 3442995), (15, 2065797), (27, 1147665), (45, 688599), (81, 382555), (135, 229533), (405, 76511)]