243285

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{331}}^1$

素因数の和:353

約数の個数: 24

約数和(自身を含む): 454176

約数和(自身を除く): 210891

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 331, 735, 993, 1655, 2317, 4965, 6951, 11585, 16219, 34755, 48657, 81095, 243285]

約数ペア:

[(1, 243285), (3, 81095), (5, 48657), (7, 34755), (15, 16219), (21, 11585), (35, 6951), (49, 4965), (105, 2317), (147, 1655), (245, 993), (331, 735)]