71760591

素因数分解:

$3^2\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1777}}^1$

素因数の和:2431

約数の個数: 24

約数和(自身を含む): 118713504

約数和(自身を除く): 46952913

約数列:

[1, 3, 7, 9, 21, 63, 641, 1777, 1923, 4487, 5331, 5769, 12439, 13461, 15993, 37317, 40383, 111951, 1139057, 3417171, 7973399, 10251513, 23920197, 71760591]

約数ペア:

[(1, 71760591), (3, 23920197), (7, 10251513), (9, 7973399), (21, 3417171), (63, 1139057), (641, 111951), (1777, 40383), (1923, 37317), (4487, 15993), (5331, 13461), (5769, 12439)]