20173013955

素因数分解:

$3^4\times 5^1\times {\mathrm{49809911}}^1$

素因数の和:49809928

約数の個数: 20

約数和(自身を含む): 36161996112

約数和(自身を除く): 15988982157

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49809911, 149429733, 249049555, 448289199, 747148665, 1344867597, 2241445995, 4034602791, 6724337985, 20173013955]

約数ペア:

[(1, 20173013955), (3, 6724337985), (5, 4034602791), (9, 2241445995), (15, 1344867597), (27, 747148665), (45, 448289199), (81, 249049555), (135, 149429733), (405, 49809911)]