7747875

素因数分解:

$3^2\times 5^3\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:189

約数の個数: 48

約数和(自身を含む): 14309568

約数和(自身を除く): 6561693

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 97, 125, 213, 225, 291, 355, 375, 485, 639, 873, 1065, 1125, 1455, 1775, 2425, 3195, 4365, 5325, 6887, 7275, 8875, 12125, 15975, 20661, 21825, 26625, 34435, 36375, 61983, 79875, 103305, 109125, 172175, 309915, 516525, 860875, 1549575, 2582625, 7747875]

約数ペア:

[(1, 7747875), (3, 2582625), (5, 1549575), (9, 860875), (15, 516525), (25, 309915), (45, 172175), (71, 109125), (75, 103305), (97, 79875), (125, 61983), (213, 36375), (225, 34435), (291, 26625), (355, 21825), (375, 20661), (485, 15975), (639, 12125), (873, 8875), (1065, 7275), (1125, 6887), (1455, 5325), (1775, 4365), (2425, 3195)]