71571885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61967}}^1$

素因数の和:61993

約数の個数: 32

約数和(自身を含む): 142774272

約数和(自身を除く): 71202387

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 61967, 185901, 309835, 433769, 681637, 929505, 1301307, 2044911, 2168845, 3408185, 4771459, 6506535, 10224555, 14314377, 23857295, 71571885]

約数ペア:

[(1, 71571885), (3, 23857295), (5, 14314377), (7, 10224555), (11, 6506535), (15, 4771459), (21, 3408185), (33, 2168845), (35, 2044911), (55, 1301307), (77, 929505), (105, 681637), (165, 433769), (231, 309835), (385, 185901), (1155, 61967)]