28398285

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{9419}}^1$

素因数の和:9497

約数の個数: 24

約数和(自身を含む): 49963680

約数和(自身を除く): 21565395

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 9419, 28257, 47095, 84771, 141285, 423855, 631073, 1893219, 3155365, 5679657, 9466095, 28398285]

約数ペア:

[(1, 28398285), (3, 9466095), (5, 5679657), (9, 3155365), (15, 1893219), (45, 631073), (67, 423855), (201, 141285), (335, 84771), (603, 47095), (1005, 28257), (3015, 9419)]