81534765

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{907}}^1$

素因数の和:1389

約数の個数: 32

約数和(自身を含む): 140950656

約数和(自身を除く): 59415891

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 461, 907, 1383, 2305, 2721, 4535, 5993, 6915, 11791, 13605, 17979, 29965, 35373, 58955, 89895, 176865, 418127, 1254381, 2090635, 5435651, 6271905, 16306953, 27178255, 81534765]

約数ペア:

[(1, 81534765), (3, 27178255), (5, 16306953), (13, 6271905), (15, 5435651), (39, 2090635), (65, 1254381), (195, 418127), (461, 176865), (907, 89895), (1383, 58955), (2305, 35373), (2721, 29965), (4535, 17979), (5993, 13605), (6915, 11791)]