81510585

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{9721}}^1$

素因数の和:9785

約数の個数: 32

約数和(自身を含む): 143730048

約数和(自身を除く): 62219463

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 2795, 8385, 9721, 29163, 48605, 126373, 145815, 379119, 418003, 631865, 1254009, 1895595, 2090015, 5434039, 6270045, 16302117, 27170195, 81510585]

約数ペア:

[(1, 81510585), (3, 27170195), (5, 16302117), (13, 6270045), (15, 5434039), (39, 2090015), (43, 1895595), (65, 1254009), (129, 631865), (195, 418003), (215, 379119), (559, 145815), (645, 126373), (1677, 48605), (2795, 29163), (8385, 9721)]