127891245

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{198281}}^1$

素因数の和:198332

約数の個数: 16

約数和(自身を含む): 209385792

約数和(自身を除く): 81494547

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 198281, 594843, 991405, 2974215, 8526083, 25578249, 42630415, 127891245]

約数ペア:

[(1, 127891245), (3, 42630415), (5, 25578249), (15, 8526083), (43, 2974215), (129, 991405), (215, 594843), (645, 198281)]