16872705

素因数分解:

$3^7\times 5^1\times {\mathrm{1543}}^1$

素因数の和:1569

約数の個数: 32

約数和(自身を含む): 30385920

約数和(自身を除く): 13513215

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 1543, 2187, 3645, 4629, 7715, 10935, 13887, 23145, 41661, 69435, 124983, 208305, 374949, 624915, 1124847, 1874745, 3374541, 5624235, 16872705]

約数ペア:

[(1, 16872705), (3, 5624235), (5, 3374541), (9, 1874745), (15, 1124847), (27, 624915), (45, 374949), (81, 208305), (135, 124983), (243, 69435), (405, 41661), (729, 23145), (1215, 13887), (1543, 10935), (2187, 7715), (3645, 4629)]