168017325

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:507

約数の個数: 72

約数和(自身を含む): 326541600

約数和(自身を除く): 158524275

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 131, 147, 175, 245, 349, 393, 525, 655, 735, 917, 1047, 1225, 1745, 1965, 2443, 2751, 3275, 3675, 4585, 5235, 6419, 7329, 8725, 9825, 12215, 13755, 17101, 19257, 22925, 26175, 32095, 36645, 45719, 51303, 61075, 68775, 85505, 96285, 137157, 160475, 183225, 228595, 256515, 320033, 427525, 481425, 685785, 960099, 1142975, 1282575, 1600165, 2240231, 3428925, 4800495, 6720693, 8000825, 11201155, 24002475, 33603465, 56005775, 168017325]

約数ペア:

[(1, 168017325), (3, 56005775), (5, 33603465), (7, 24002475), (15, 11201155), (21, 8000825), (25, 6720693), (35, 4800495), (49, 3428925), (75, 2240231), (105, 1600165), (131, 1282575), (147, 1142975), (175, 960099), (245, 685785), (349, 481425), (393, 427525), (525, 320033), (655, 256515), (735, 228595), (917, 183225), (1047, 160475), (1225, 137157), (1745, 96285), (1965, 85505), (2443, 68775), (2751, 61075), (3275, 51303), (3675, 45719), (4585, 36645), (5235, 32095), (6419, 26175), (7329, 22925), (8725, 19257), (9825, 17101), (12215, 13755)]