89689995

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{449}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 163425600

約数和(自身を除く): 73735605

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 193, 207, 345, 449, 579, 965, 1035, 1347, 1737, 2245, 2895, 4041, 4439, 6735, 8685, 10327, 13317, 20205, 22195, 30981, 39951, 51635, 66585, 86657, 92943, 154905, 199755, 259971, 433285, 464715, 779913, 1299855, 1993111, 3899565, 5979333, 9965555, 17937999, 29896665, 89689995]

約数ペア:

[(1, 89689995), (3, 29896665), (5, 17937999), (9, 9965555), (15, 5979333), (23, 3899565), (45, 1993111), (69, 1299855), (115, 779913), (193, 464715), (207, 433285), (345, 259971), (449, 199755), (579, 154905), (965, 92943), (1035, 86657), (1347, 66585), (1737, 51635), (2245, 39951), (2895, 30981), (4041, 22195), (4439, 20205), (6735, 13317), (8685, 10327)]