199871457

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1\times {\mathrm{2311}}^1$

素因数の和:2668

約数の個数: 16

約数和(自身を含む): 269893632

約数和(自身を除く): 70022175

約数列:

[1, 3, 127, 227, 381, 681, 2311, 6933, 28829, 86487, 293497, 524597, 880491, 1573791, 66623819, 199871457]

約数ペア:

[(1, 199871457), (3, 66623819), (127, 1573791), (227, 880491), (381, 524597), (681, 293497), (2311, 86487), (6933, 28829)]