205471485

素因数分解:

$3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8317}}^1$

素因数の和:8395

約数の個数: 40

約数和(自身を含む): 374409816

約数和(自身を除く): 168938331

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 135, 183, 305, 405, 549, 915, 1647, 2745, 4941, 8235, 8317, 24705, 24951, 41585, 74853, 124755, 224559, 374265, 507337, 673677, 1122795, 1522011, 2536685, 3368385, 4566033, 7610055, 13698099, 22830165, 41094297, 68490495, 205471485]

約数ペア:

[(1, 205471485), (3, 68490495), (5, 41094297), (9, 22830165), (15, 13698099), (27, 7610055), (45, 4566033), (61, 3368385), (81, 2536685), (135, 1522011), (183, 1122795), (305, 673677), (405, 507337), (549, 374265), (915, 224559), (1647, 124755), (2745, 74853), (4941, 41585), (8235, 24951), (8317, 24705)]