661946265

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1\times {\mathrm{911}}^1$

素因数の和:1230

約数の個数: 48

約数和(自身を含む): 1170614016

約数和(自身を除く): 508667751

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 241, 335, 603, 723, 911, 1005, 1205, 2169, 2733, 3015, 3615, 4555, 8199, 10845, 13665, 16147, 40995, 48441, 61037, 80735, 145323, 183111, 219551, 242205, 305185, 549333, 658653, 726615, 915555, 1097755, 1975959, 2746665, 3293265, 9879795, 14709917, 44129751, 73549585, 132389253, 220648755, 661946265]

約数ペア:

[(1, 661946265), (3, 220648755), (5, 132389253), (9, 73549585), (15, 44129751), (45, 14709917), (67, 9879795), (201, 3293265), (241, 2746665), (335, 1975959), (603, 1097755), (723, 915555), (911, 726615), (1005, 658653), (1205, 549333), (2169, 305185), (2733, 242205), (3015, 219551), (3615, 183111), (4555, 145323), (8199, 80735), (10845, 61037), (13665, 48441), (16147, 40995)]