25279725

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 43997184

約数和(自身を除く): 18717459

約数列:

[1, 3, 5, 15, 25, 31, 75, 83, 93, 131, 155, 249, 393, 415, 465, 655, 775, 1245, 1965, 2075, 2325, 2573, 3275, 4061, 6225, 7719, 9825, 10873, 12183, 12865, 20305, 32619, 38595, 54365, 60915, 64325, 101525, 163095, 192975, 271825, 304575, 337063, 815475, 1011189, 1685315, 5055945, 8426575, 25279725]

約数ペア:

[(1, 25279725), (3, 8426575), (5, 5055945), (15, 1685315), (25, 1011189), (31, 815475), (75, 337063), (83, 304575), (93, 271825), (131, 192975), (155, 163095), (249, 101525), (393, 64325), (415, 60915), (465, 54365), (655, 38595), (775, 32619), (1245, 20305), (1965, 12865), (2075, 12183), (2325, 10873), (2573, 9825), (3275, 7719), (4061, 6225)]