3991715

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 6107136

約数和(自身を除く): 2115421

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 217, 283, 403, 455, 1085, 1415, 1981, 2015, 2821, 3679, 8773, 9905, 14105, 18395, 25753, 43865, 61411, 114049, 128765, 307055, 570245, 798343, 3991715]

約数ペア:

[(1, 3991715), (5, 798343), (7, 570245), (13, 307055), (31, 128765), (35, 114049), (65, 61411), (91, 43865), (155, 25753), (217, 18395), (283, 14105), (403, 9905), (455, 8773), (1085, 3679), (1415, 2821), (1981, 2015)]