22640715

素因数分解:

$3^4\times 5^1\times {\mathrm{55903}}^1$

素因数の和:55920

約数の個数: 20

約数和(自身を含む): 40586304

約数和(自身を除く): 17945589

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 55903, 167709, 279515, 503127, 838545, 1509381, 2515635, 4528143, 7546905, 22640715]

約数ペア:

[(1, 22640715), (3, 7546905), (5, 4528143), (9, 2515635), (15, 1509381), (27, 838545), (45, 503127), (81, 279515), (135, 167709), (405, 55903)]