27811755

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1597}}^1$

素因数の和:1657

約数の個数: 40

約数和(自身を含む): 51046512

約数和(自身を除く): 23234757

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 387, 405, 645, 1161, 1597, 1935, 3483, 4791, 5805, 7985, 14373, 17415, 23955, 43119, 68671, 71865, 129357, 206013, 215595, 343355, 618039, 646785, 1030065, 1854117, 3090195, 5562351, 9270585, 27811755]

約数ペア:

[(1, 27811755), (3, 9270585), (5, 5562351), (9, 3090195), (15, 1854117), (27, 1030065), (43, 646785), (45, 618039), (81, 343355), (129, 215595), (135, 206013), (215, 129357), (387, 71865), (405, 68671), (645, 43119), (1161, 23955), (1597, 17415), (1935, 14373), (3483, 7985), (4791, 5805)]