28702125

素因数分解:

$3^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{823}}^1$

素因数の和:875

約数の個数: 48

約数和(自身を含む): 53474304

約数和(自身を除く): 24772179

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 125, 155, 225, 279, 375, 465, 775, 823, 1125, 1395, 2325, 2469, 3875, 4115, 6975, 7407, 11625, 12345, 20575, 25513, 34875, 37035, 61725, 76539, 102875, 127565, 185175, 229617, 308625, 382695, 637825, 925875, 1148085, 1913475, 3189125, 5740425, 9567375, 28702125]

約数ペア:

[(1, 28702125), (3, 9567375), (5, 5740425), (9, 3189125), (15, 1913475), (25, 1148085), (31, 925875), (45, 637825), (75, 382695), (93, 308625), (125, 229617), (155, 185175), (225, 127565), (279, 102875), (375, 76539), (465, 61725), (775, 37035), (823, 34875), (1125, 25513), (1395, 20575), (2325, 12345), (2469, 11625), (3875, 7407), (4115, 6975)]