28854825

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{20249}}^1$

素因数の和:20281

約数の個数: 24

約数和(自身を含む): 50220000

約数和(自身を除く): 21365175

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 20249, 60747, 101245, 303735, 384731, 506225, 1154193, 1518675, 1923655, 5770965, 9618275, 28854825]

約数ペア:

[(1, 28854825), (3, 9618275), (5, 5770965), (15, 1923655), (19, 1518675), (25, 1154193), (57, 506225), (75, 384731), (95, 303735), (285, 101245), (475, 60747), (1425, 20249)]