28861713

素因数分解:

$3^2\times {\mathrm{31}}^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:186

約数の個数: 36

約数和(自身を含む): 44613504

約数和(自身を除く): 15751791

約数列:

[1, 3, 9, 31, 47, 71, 93, 141, 213, 279, 423, 639, 961, 1457, 2201, 2883, 3337, 4371, 6603, 8649, 10011, 13113, 19809, 30033, 45167, 68231, 103447, 135501, 204693, 310341, 406503, 614079, 931023, 3206857, 9620571, 28861713]

約数ペア:

[(1, 28861713), (3, 9620571), (9, 3206857), (31, 931023), (47, 614079), (71, 406503), (93, 310341), (141, 204693), (213, 135501), (279, 103447), (423, 68231), (639, 45167), (961, 30033), (1457, 19809), (2201, 13113), (2883, 10011), (3337, 8649), (4371, 6603)]