39902463

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{16987}}^1$

素因数の和:17028

約数の個数: 20

約数和(自身を含む): 61666440

約数和(自身を除く): 21763977

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 16987, 50961, 152883, 458649, 492623, 1375947, 1477869, 4433607, 13300821, 39902463]

約数ペア:

[(1, 39902463), (3, 13300821), (9, 4433607), (27, 1477869), (29, 1375947), (81, 492623), (87, 458649), (261, 152883), (783, 50961), (2349, 16987)]