28425621

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 44651520

約数和(自身を除く): 16225899

約数列:

[1, 3, 7, 21, 67, 89, 201, 227, 267, 469, 623, 681, 1407, 1589, 1869, 4767, 5963, 15209, 17889, 20203, 41741, 45627, 60609, 106463, 125223, 141421, 319389, 424263, 1353601, 4060803, 9475207, 28425621]

約数ペア:

[(1, 28425621), (3, 9475207), (7, 4060803), (21, 1353601), (67, 424263), (89, 319389), (201, 141421), (227, 125223), (267, 106463), (469, 60609), (623, 45627), (681, 41741), (1407, 20203), (1589, 17889), (1869, 15209), (4767, 5963)]