28510905

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1093}}^1$

素因数の和:1185

約数の個数: 32

約数和(自身を含む): 47890944

約数和(自身を除く): 19380039

約数列:

[1, 3, 5, 15, 37, 47, 111, 141, 185, 235, 555, 705, 1093, 1739, 3279, 5217, 5465, 8695, 16395, 26085, 40441, 51371, 121323, 154113, 202205, 256855, 606615, 770565, 1900727, 5702181, 9503635, 28510905]

約数ペア:

[(1, 28510905), (3, 9503635), (5, 5702181), (15, 1900727), (37, 770565), (47, 606615), (111, 256855), (141, 202205), (185, 154113), (235, 121323), (555, 51371), (705, 40441), (1093, 26085), (1739, 16395), (3279, 8695), (5217, 5465)]