28816245

素因数分解:

$3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1613}}^1$

素因数の和:2021

約数の個数: 24

約数和(自身を含む): 50105016

約数和(自身を除く): 21288771

約数列:

[1, 3, 5, 9, 15, 45, 397, 1191, 1613, 1985, 3573, 4839, 5955, 8065, 14517, 17865, 24195, 72585, 640361, 1921083, 3201805, 5763249, 9605415, 28816245]

約数ペア:

[(1, 28816245), (3, 9605415), (5, 5763249), (9, 3201805), (15, 1921083), (45, 640361), (397, 72585), (1191, 24195), (1613, 17865), (1985, 14517), (3573, 8065), (4839, 5955)]