31494393

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2347}}^1$

素因数の和:2434

約数の個数: 32

約数和(自身を含む): 54097920

約数和(自身を除く): 22603527

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1491, 1917, 2347, 4473, 7041, 13419, 16429, 21123, 49287, 63369, 147861, 166637, 443583, 499911, 1166459, 1499733, 3499377, 4499199, 10498131, 31494393]

約数ペア:

[(1, 31494393), (3, 10498131), (7, 4499199), (9, 3499377), (21, 1499733), (27, 1166459), (63, 499911), (71, 443583), (189, 166637), (213, 147861), (497, 63369), (639, 49287), (1491, 21123), (1917, 16429), (2347, 13419), (4473, 7041)]