199947747

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 279417600

約数和(自身を除く): 79469853

約数列:

[1, 3, 53, 83, 109, 139, 159, 249, 327, 417, 4399, 5777, 7367, 9047, 11537, 13197, 15151, 17331, 22101, 27141, 34611, 45453, 479491, 611461, 803003, 1257533, 1438473, 1834383, 2409009, 3772599, 66649249, 199947747]

約数ペア:

[(1, 199947747), (3, 66649249), (53, 3772599), (83, 2409009), (109, 1834383), (139, 1438473), (159, 1257533), (249, 803003), (327, 611461), (417, 479491), (4399, 45453), (5777, 34611), (7367, 27141), (9047, 22101), (11537, 17331), (13197, 15151)]