201906405

素因数分解:

$3^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{8263}}^1$

素因数の和:8458

約数の個数: 32

約数和(自身を含む): 360971520

約数和(自身を除く): 159065115

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 181, 543, 905, 1629, 2715, 4887, 8145, 8263, 24435, 24789, 41315, 74367, 123945, 223101, 371835, 1115505, 1495603, 4486809, 7478015, 13460427, 22434045, 40381281, 67302135, 201906405]

約数ペア:

[(1, 201906405), (3, 67302135), (5, 40381281), (9, 22434045), (15, 13460427), (27, 7478015), (45, 4486809), (135, 1495603), (181, 1115505), (543, 371835), (905, 223101), (1629, 123945), (2715, 74367), (4887, 41315), (8145, 24789), (8263, 24435)]