19973175

素因数分解:

$3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{3371}}^1$

素因数の和:3463

約数の個数: 24

約数和(自身を含む): 33450240

約数和(自身を除く): 13477065

約数列:

[1, 3, 5, 15, 25, 75, 79, 237, 395, 1185, 1975, 3371, 5925, 10113, 16855, 50565, 84275, 252825, 266309, 798927, 1331545, 3994635, 6657725, 19973175]

約数ペア:

[(1, 19973175), (3, 6657725), (5, 3994635), (15, 1331545), (25, 798927), (75, 266309), (79, 252825), (237, 84275), (395, 50565), (1185, 16855), (1975, 10113), (3371, 5925)]