28388565

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{33203}}^1$

素因数の和:33233

約数の個数: 24

約数和(自身を含む): 51798240

約数和(自身を除く): 23409675

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 33203, 99609, 166015, 298827, 498045, 630857, 1494135, 1892571, 3154285, 5677713, 9462855, 28388565]

約数ペア:

[(1, 28388565), (3, 9462855), (5, 5677713), (9, 3154285), (15, 1892571), (19, 1494135), (45, 630857), (57, 498045), (95, 298827), (171, 166015), (285, 99609), (855, 33203)]