258791805

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{757}}^1$

素因数の和:946

約数の個数: 48

約数和(自身を含む): 459748224

約数和(自身を除く): 200956419

約数列:

[1, 3, 5, 9, 15, 45, 71, 107, 213, 321, 355, 535, 639, 757, 963, 1065, 1605, 2271, 3195, 3785, 4815, 6813, 7597, 11355, 22791, 34065, 37985, 53747, 68373, 80999, 113955, 161241, 242997, 268735, 341865, 404995, 483723, 728991, 806205, 1214985, 2418615, 3644955, 5750929, 17252787, 28754645, 51758361, 86263935, 258791805]

約数ペア:

[(1, 258791805), (3, 86263935), (5, 51758361), (9, 28754645), (15, 17252787), (45, 5750929), (71, 3644955), (107, 2418615), (213, 1214985), (321, 806205), (355, 728991), (535, 483723), (639, 404995), (757, 341865), (963, 268735), (1065, 242997), (1605, 161241), (2271, 113955), (3195, 80999), (3785, 68373), (4815, 53747), (6813, 37985), (7597, 34065), (11355, 22791)]