25212375

素因数分解:

$3^2\times 5^3\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:401

約数の個数: 48

約数和(自身を含む): 46222176

約数和(自身を除く): 21009801

約数列:

[1, 3, 5, 9, 15, 25, 45, 73, 75, 125, 219, 225, 307, 365, 375, 657, 921, 1095, 1125, 1535, 1825, 2763, 3285, 4605, 5475, 7675, 9125, 13815, 16425, 22411, 23025, 27375, 38375, 67233, 69075, 82125, 112055, 115125, 201699, 336165, 345375, 560275, 1008495, 1680825, 2801375, 5042475, 8404125, 25212375]

約数ペア:

[(1, 25212375), (3, 8404125), (5, 5042475), (9, 2801375), (15, 1680825), (25, 1008495), (45, 560275), (73, 345375), (75, 336165), (125, 201699), (219, 115125), (225, 112055), (307, 82125), (365, 69075), (375, 67233), (657, 38375), (921, 27375), (1095, 23025), (1125, 22411), (1535, 16425), (1825, 13815), (2763, 9125), (3285, 7675), (4605, 5475)]