90387087

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1\times {\mathrm{283}}^1$

素因数の和:587

約数の個数: 32

約数和(自身を含む): 140900352

約数和(自身を除く): 50513265

約数列:

[1, 3, 7, 21, 67, 201, 227, 283, 469, 681, 849, 1407, 1589, 1981, 4767, 5943, 15209, 18961, 45627, 56883, 64241, 106463, 132727, 192723, 319389, 398181, 449687, 1349061, 4304147, 12912441, 30129029, 90387087]

約数ペア:

[(1, 90387087), (3, 30129029), (7, 12912441), (21, 4304147), (67, 1349061), (201, 449687), (227, 398181), (283, 319389), (469, 192723), (681, 132727), (849, 106463), (1407, 64241), (1589, 56883), (1981, 45627), (4767, 18961), (5943, 15209)]