28774815

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{2281}}^1$

素因数の和:2347

約数の個数: 24

約数和(自身を含む): 47702928

約数和(自身を除く): 18928113

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 841, 2281, 2523, 4205, 6843, 11405, 12615, 34215, 66149, 198447, 330745, 992235, 1918321, 5754963, 9591605, 28774815]

約数ペア:

[(1, 28774815), (3, 9591605), (5, 5754963), (15, 1918321), (29, 992235), (87, 330745), (145, 198447), (435, 66149), (841, 34215), (2281, 12615), (2523, 11405), (4205, 6843)]