25947705

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{821}}^1$

素因数の和:886

約数の個数: 48

約数和(自身を含む): 49477824

約数和(自身を除く): 23530119

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 49, 105, 129, 147, 215, 245, 301, 645, 735, 821, 903, 1505, 2107, 2463, 4105, 4515, 5747, 6321, 10535, 12315, 17241, 28735, 31605, 35303, 40229, 86205, 105909, 120687, 176515, 201145, 247121, 529545, 603435, 741363, 1235605, 1729847, 3706815, 5189541, 8649235, 25947705]

約数ペア:

[(1, 25947705), (3, 8649235), (5, 5189541), (7, 3706815), (15, 1729847), (21, 1235605), (35, 741363), (43, 603435), (49, 529545), (105, 247121), (129, 201145), (147, 176515), (215, 120687), (245, 105909), (301, 86205), (645, 40229), (735, 35303), (821, 31605), (903, 28735), (1505, 17241), (2107, 12315), (2463, 10535), (4105, 6321), (4515, 5747)]