12901075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1091}}^1$

素因数の和:1155

約数の個数: 24

約数和(自身を含む): 17873856

約数和(自身を除く): 4972781

約数列:

[1, 5, 11, 25, 43, 55, 215, 275, 473, 1075, 1091, 2365, 5455, 11825, 12001, 27275, 46913, 60005, 234565, 300025, 516043, 1172825, 2580215, 12901075]

約数ペア:

[(1, 12901075), (5, 2580215), (11, 1172825), (25, 516043), (43, 300025), (55, 234565), (215, 60005), (275, 46913), (473, 27275), (1075, 12001), (1091, 11825), (2365, 5455)]