16661547

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 29832192

約数和(自身を除く): 13170645

約数列:

[1, 3, 7, 9, 17, 21, 47, 51, 63, 119, 141, 153, 329, 331, 357, 423, 799, 987, 993, 1071, 2317, 2397, 2961, 2979, 5593, 5627, 6951, 7191, 15557, 16779, 16881, 20853, 39389, 46671, 50337, 50643, 108899, 118167, 140013, 264469, 326697, 354501, 793407, 980091, 1851283, 2380221, 5553849, 16661547]

約数ペア:

[(1, 16661547), (3, 5553849), (7, 2380221), (9, 1851283), (17, 980091), (21, 793407), (47, 354501), (51, 326697), (63, 264469), (119, 140013), (141, 118167), (153, 108899), (329, 50643), (331, 50337), (357, 46671), (423, 39389), (799, 20853), (987, 16881), (993, 16779), (1071, 15557), (2317, 7191), (2397, 6951), (2961, 5627), (2979, 5593)]