81048195

素因数分解:

$3^4\times 5^1\times {\mathrm{293}}^1\times {\mathrm{683}}^1$

素因数の和:993

約数の個数: 40

約数和(自身を含む): 145995696

約数和(自身を除く): 64947501

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 293, 405, 683, 879, 1465, 2049, 2637, 3415, 4395, 6147, 7911, 10245, 13185, 18441, 23733, 30735, 39555, 55323, 92205, 118665, 200119, 276615, 600357, 1000595, 1801071, 3001785, 5403213, 9005355, 16209639, 27016065, 81048195]

約数ペア:

[(1, 81048195), (3, 27016065), (5, 16209639), (9, 9005355), (15, 5403213), (27, 3001785), (45, 1801071), (81, 1000595), (135, 600357), (293, 276615), (405, 200119), (683, 118665), (879, 92205), (1465, 55323), (2049, 39555), (2637, 30735), (3415, 23733), (4395, 18441), (6147, 13185), (7911, 10245)]