31147479

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{571}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 53539200

約数和(自身を除く): 22391721

約数列:

[1, 3, 9, 11, 19, 29, 33, 57, 87, 99, 171, 209, 261, 319, 551, 571, 627, 957, 1653, 1713, 1881, 2871, 4959, 5139, 6061, 6281, 10849, 16559, 18183, 18843, 32547, 49677, 54549, 56529, 97641, 119339, 149031, 182149, 314621, 358017, 546447, 943863, 1074051, 1639341, 2831589, 3460831, 10382493, 31147479]

約数ペア:

[(1, 31147479), (3, 10382493), (9, 3460831), (11, 2831589), (19, 1639341), (29, 1074051), (33, 943863), (57, 546447), (87, 358017), (99, 314621), (171, 182149), (209, 149031), (261, 119339), (319, 97641), (551, 56529), (571, 54549), (627, 49677), (957, 32547), (1653, 18843), (1713, 18183), (1881, 16559), (2871, 10849), (4959, 6281), (5139, 6061)]