205121235

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73127}}^1$

素因数の和:73163

約数の個数: 32

約数和(自身を含む): 379095552

約数和(自身を除く): 173974317

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 73127, 219381, 365635, 804397, 1096905, 1243159, 2413191, 3729477, 4021985, 6215795, 12065955, 13674749, 18647385, 41024247, 68373745, 205121235]

約数ペア:

[(1, 205121235), (3, 68373745), (5, 41024247), (11, 18647385), (15, 13674749), (17, 12065955), (33, 6215795), (51, 4021985), (55, 3729477), (85, 2413191), (165, 1243159), (187, 1096905), (255, 804397), (561, 365635), (935, 219381), (2805, 73127)]