198137205

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{209669}}^1$

素因数の和:209690

約数の個数: 32

約数和(自身を含む): 402566400

約数和(自身を除く): 204429195

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 209669, 629007, 1048345, 1467683, 1887021, 3145035, 4403049, 5661063, 7338415, 9435105, 13209147, 22015245, 28305315, 39627441, 66045735, 198137205]

約数ペア:

[(1, 198137205), (3, 66045735), (5, 39627441), (7, 28305315), (9, 22015245), (15, 13209147), (21, 9435105), (27, 7338415), (35, 5661063), (45, 4403049), (63, 3145035), (105, 1887021), (135, 1467683), (189, 1048345), (315, 629007), (945, 209669)]