4020165

素因数分解:

$3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:418

約数の個数: 32

約数和(自身を含む): 7244160

約数和(自身を除く): 3223995

約数列:

[1, 3, 5, 9, 15, 27, 45, 97, 135, 291, 307, 485, 873, 921, 1455, 1535, 2619, 2763, 4365, 4605, 8289, 13095, 13815, 29779, 41445, 89337, 148895, 268011, 446685, 804033, 1340055, 4020165]

約数ペア:

[(1, 4020165), (3, 1340055), (5, 804033), (9, 446685), (15, 268011), (27, 148895), (45, 89337), (97, 41445), (135, 29779), (291, 13815), (307, 13095), (485, 8289), (873, 4605), (921, 4365), (1455, 2763), (1535, 2619)]