28009605

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{601}}^1$

素因数の和:861

約数の個数: 32

約数和(自身を含む): 48545280

約数和(自身を除く): 20535675

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 239, 601, 717, 1195, 1803, 3005, 3107, 3585, 7813, 9015, 9321, 15535, 23439, 39065, 46605, 117195, 143639, 430917, 718195, 1867307, 2154585, 5601921, 9336535, 28009605]

約数ペア:

[(1, 28009605), (3, 9336535), (5, 5601921), (13, 2154585), (15, 1867307), (39, 718195), (65, 430917), (195, 143639), (239, 117195), (601, 46605), (717, 39065), (1195, 23439), (1803, 15535), (3005, 9321), (3107, 9015), (3585, 7813)]