8421237

素因数分解:

$3^2\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:95

約数の個数: 48

約数和(自身を含む): 14464320

約数和(自身を除く): 6043083

約数列:

[1, 3, 9, 11, 19, 33, 37, 57, 99, 111, 121, 171, 209, 333, 363, 407, 627, 703, 1089, 1221, 1331, 1881, 2109, 2299, 3663, 3993, 4477, 6327, 6897, 7733, 11979, 13431, 20691, 23199, 25289, 40293, 49247, 69597, 75867, 85063, 147741, 227601, 255189, 443223, 765567, 935693, 2807079, 8421237]

約数ペア:

[(1, 8421237), (3, 2807079), (9, 935693), (11, 765567), (19, 443223), (33, 255189), (37, 227601), (57, 147741), (99, 85063), (111, 75867), (121, 69597), (171, 49247), (209, 40293), (333, 25289), (363, 23199), (407, 20691), (627, 13431), (703, 11979), (1089, 7733), (1221, 6897), (1331, 6327), (1881, 4477), (2109, 3993), (2299, 3663)]