15648525

素因数分解:

$3^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 29164800

約数和(自身を除く): 13516275

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 97, 135, 225, 239, 291, 485, 675, 717, 873, 1195, 1455, 2151, 2425, 2619, 3585, 4365, 5975, 6453, 7275, 10755, 13095, 17925, 21825, 23183, 32265, 53775, 65475, 69549, 115915, 161325, 208647, 347745, 579575, 625941, 1043235, 1738725, 3129705, 5216175, 15648525]

約数ペア:

[(1, 15648525), (3, 5216175), (5, 3129705), (9, 1738725), (15, 1043235), (25, 625941), (27, 579575), (45, 347745), (75, 208647), (97, 161325), (135, 115915), (225, 69549), (239, 65475), (291, 53775), (485, 32265), (675, 23183), (717, 21825), (873, 17925), (1195, 13095), (1455, 10755), (2151, 7275), (2425, 6453), (2619, 5975), (3585, 4365)]