2816925

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^2\times {\mathrm{71}}^1$

素因数の和:130

約数の個数: 36

約数和(自身を含む): 4937184

約数和(自身を除く): 2120259

約数列:

[1, 3, 5, 15, 23, 25, 69, 71, 75, 115, 213, 345, 355, 529, 575, 1065, 1587, 1633, 1725, 1775, 2645, 4899, 5325, 7935, 8165, 13225, 24495, 37559, 39675, 40825, 112677, 122475, 187795, 563385, 938975, 2816925]

約数ペア:

[(1, 2816925), (3, 938975), (5, 563385), (15, 187795), (23, 122475), (25, 112677), (69, 40825), (71, 39675), (75, 37559), (115, 24495), (213, 13225), (345, 8165), (355, 7935), (529, 5325), (575, 4899), (1065, 2645), (1587, 1775), (1633, 1725)]