31017273

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^2\times {\mathrm{293}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 48103104

約数和(自身を除く): 17085831

約数列:

[1, 3, 7, 21, 71, 213, 293, 497, 879, 1491, 2051, 5041, 6153, 15123, 20803, 35287, 62409, 105861, 145621, 436863, 1477013, 4431039, 10339091, 31017273]

約数ペア:

[(1, 31017273), (3, 10339091), (7, 4431039), (21, 1477013), (71, 436863), (213, 145621), (293, 105861), (497, 62409), (879, 35287), (1491, 20803), (2051, 15123), (5041, 6153)]