4081305

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 6893568

約数和(自身を除く): 2812263

約数列:

[1, 3, 5, 15, 31, 67, 93, 131, 155, 201, 335, 393, 465, 655, 1005, 1965, 2077, 4061, 6231, 8777, 10385, 12183, 20305, 26331, 31155, 43885, 60915, 131655, 272087, 816261, 1360435, 4081305]

約数ペア:

[(1, 4081305), (3, 1360435), (5, 816261), (15, 272087), (31, 131655), (67, 60915), (93, 43885), (131, 31155), (155, 26331), (201, 20305), (335, 12183), (393, 10385), (465, 8777), (655, 6231), (1005, 4061), (1965, 2077)]