31054191

素因数分解:

$3^1\times 7^3\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:420

約数の個数: 32

約数和(自身を含む): 48921600

約数和(自身を除く): 17867409

約数列:

[1, 3, 7, 21, 49, 103, 147, 293, 309, 343, 721, 879, 1029, 2051, 2163, 5047, 6153, 14357, 15141, 30179, 35329, 43071, 90537, 100499, 105987, 211253, 301497, 633759, 1478771, 4436313, 10351397, 31054191]

約数ペア:

[(1, 31054191), (3, 10351397), (7, 4436313), (21, 1478771), (49, 633759), (103, 301497), (147, 211253), (293, 105987), (309, 100499), (343, 90537), (721, 43071), (879, 35329), (1029, 30179), (2051, 15141), (2163, 14357), (5047, 6153)]