538245

素因数分解:

$3^5\times 5^1\times {\mathrm{443}}^1$

素因数の和:463

約数の個数: 24

約数和(自身を含む): 969696

約数和(自身を除く): 431451

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 443, 1215, 1329, 2215, 3987, 6645, 11961, 19935, 35883, 59805, 107649, 179415, 538245]

約数ペア:

[(1, 538245), (3, 179415), (5, 107649), (9, 59805), (15, 35883), (27, 19935), (45, 11961), (81, 6645), (135, 3987), (243, 2215), (405, 1329), (443, 1215)]