28726911

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{281}}^1\times {\mathrm{307}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 42906864

約数和(自身を除く): 14179953

約数列:

[1, 3, 9, 37, 111, 281, 307, 333, 843, 921, 2529, 2763, 10397, 11359, 31191, 34077, 86267, 93573, 102231, 258801, 776403, 3191879, 9575637, 28726911]

約数ペア:

[(1, 28726911), (3, 9575637), (9, 3191879), (37, 776403), (111, 258801), (281, 102231), (307, 93573), (333, 86267), (843, 34077), (921, 31191), (2529, 11359), (2763, 10397)]