16421805

素因数分解:

$3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1181}}^1$

素因数の和:1298

約数の個数: 32

約数和(自身を含む): 29502720

約数和(自身を除く): 13080915

約数列:

[1, 3, 5, 9, 15, 27, 45, 103, 135, 309, 515, 927, 1181, 1545, 2781, 3543, 4635, 5905, 10629, 13905, 17715, 31887, 53145, 121643, 159435, 364929, 608215, 1094787, 1824645, 3284361, 5473935, 16421805]

約数ペア:

[(1, 16421805), (3, 5473935), (5, 3284361), (9, 1824645), (15, 1094787), (27, 608215), (45, 364929), (103, 159435), (135, 121643), (309, 53145), (515, 31887), (927, 17715), (1181, 13905), (1545, 10629), (2781, 5905), (3543, 4635)]