1214595

素因数分解:

$3^4\times 5^1\times {\mathrm{2999}}^1$

素因数の和:3016

約数の個数: 20

約数和(自身を含む): 2178000

約数和(自身を除く): 963405

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2999, 8997, 14995, 26991, 44985, 80973, 134955, 242919, 404865, 1214595]

約数ペア:

[(1, 1214595), (3, 404865), (5, 242919), (9, 134955), (15, 80973), (27, 44985), (45, 26991), (81, 14995), (135, 8997), (405, 2999)]