16989105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4373}}^1$

素因数の和:4425

約数の個数: 32

約数和(自身を含む): 31912704

約数和(自身を除く): 14923599

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 105, 111, 185, 259, 555, 777, 1295, 3885, 4373, 13119, 21865, 30611, 65595, 91833, 153055, 161801, 459165, 485403, 809005, 1132607, 2427015, 3397821, 5663035, 16989105]

約数ペア:

[(1, 16989105), (3, 5663035), (5, 3397821), (7, 2427015), (15, 1132607), (21, 809005), (35, 485403), (37, 459165), (105, 161801), (111, 153055), (185, 91833), (259, 65595), (555, 30611), (777, 21865), (1295, 13119), (3885, 4373)]