28167345

素因数分解:

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

素因数の和:356

約数の個数: 48

約数和(自身を含む): 51367680

約数和(自身を除く): 23200335

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 97, 135, 239, 243, 291, 405, 485, 717, 873, 1195, 1215, 1455, 2151, 2619, 3585, 4365, 6453, 7857, 10755, 13095, 19359, 23183, 23571, 32265, 39285, 58077, 69549, 96795, 115915, 117855, 208647, 290385, 347745, 625941, 1043235, 1877823, 3129705, 5633469, 9389115, 28167345]

約数ペア:

[(1, 28167345), (3, 9389115), (5, 5633469), (9, 3129705), (15, 1877823), (27, 1043235), (45, 625941), (81, 347745), (97, 290385), (135, 208647), (239, 117855), (243, 115915), (291, 96795), (405, 69549), (485, 58077), (717, 39285), (873, 32265), (1195, 23571), (1215, 23183), (1455, 19359), (2151, 13095), (2619, 10755), (3585, 7857), (4365, 6453)]