31107321

素因数分解:

$3^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{661}}^1$

素因数の和:763

約数の個数: 40

約数和(自身を含む): 53828544

約数和(自身を除く): 22721223

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 83, 189, 249, 567, 581, 661, 747, 1743, 1983, 2241, 4627, 5229, 5949, 6723, 13881, 15687, 17847, 41643, 47061, 53541, 54863, 124929, 164589, 374787, 384041, 493767, 1152123, 1481301, 3456369, 4443903, 10369107, 31107321]

約数ペア:

[(1, 31107321), (3, 10369107), (7, 4443903), (9, 3456369), (21, 1481301), (27, 1152123), (63, 493767), (81, 384041), (83, 374787), (189, 164589), (249, 124929), (567, 54863), (581, 53541), (661, 47061), (747, 41643), (1743, 17847), (1983, 15687), (2241, 13881), (4627, 6723), (5229, 5949)]