128528205

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{797}}^1\times {\mathrm{827}}^1$

素因数の和:1645

約数の個数: 32

約数和(自身を含む): 222009984

約数和(自身を除く): 93481779

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 797, 827, 2391, 2481, 3985, 4135, 10361, 10751, 11955, 12405, 31083, 32253, 51805, 53755, 155415, 161265, 659119, 1977357, 3295595, 8568547, 9886785, 25705641, 42842735, 128528205]

約数ペア:

[(1, 128528205), (3, 42842735), (5, 25705641), (13, 9886785), (15, 8568547), (39, 3295595), (65, 1977357), (195, 659119), (797, 161265), (827, 155415), (2391, 53755), (2481, 51805), (3985, 32253), (4135, 31083), (10361, 12405), (10751, 11955)]