66391305

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{2131}}^1$

素因数の和:2237

約数の個数: 32

約数和(自身を含む): 111341568

約数和(自身を除く): 44950263

約数列:

[1, 3, 5, 15, 31, 67, 93, 155, 201, 335, 465, 1005, 2077, 2131, 6231, 6393, 10385, 10655, 31155, 31965, 66061, 142777, 198183, 330305, 428331, 713885, 990915, 2141655, 4426087, 13278261, 22130435, 66391305]

約数ペア:

[(1, 66391305), (3, 22130435), (5, 13278261), (15, 4426087), (31, 2141655), (67, 990915), (93, 713885), (155, 428331), (201, 330305), (335, 198183), (465, 142777), (1005, 66061), (2077, 31965), (2131, 31155), (6231, 10655), (6393, 10385)]