18879075

素因数分解:

$3^4\times 5^2\times {\mathrm{9323}}^1$

素因数の和:9345

約数の個数: 30

約数和(自身を含む): 34974324

約数和(自身を除く): 16095249

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 9323, 27969, 46615, 83907, 139845, 233075, 251721, 419535, 699225, 755163, 1258605, 2097675, 3775815, 6293025, 18879075]

約数ペア:

[(1, 18879075), (3, 6293025), (5, 3775815), (9, 2097675), (15, 1258605), (25, 755163), (27, 699225), (45, 419535), (75, 251721), (81, 233075), (135, 139845), (225, 83907), (405, 46615), (675, 27969), (2025, 9323)]