28503111

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{797}}^1$

素因数の和:951

約数の個数: 32

約数和(自身を含む): 47190528

約数和(自身を除く): 18687417

約数列:

[1, 3, 7, 13, 21, 39, 91, 131, 273, 393, 797, 917, 1703, 2391, 2751, 5109, 5579, 10361, 11921, 16737, 31083, 35763, 72527, 104407, 217581, 313221, 730849, 1357291, 2192547, 4071873, 9501037, 28503111]

約数ペア:

[(1, 28503111), (3, 9501037), (7, 4071873), (13, 2192547), (21, 1357291), (39, 730849), (91, 313221), (131, 217581), (273, 104407), (393, 72527), (797, 35763), (917, 31083), (1703, 16737), (2391, 11921), (2751, 10361), (5109, 5579)]