87755787

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{853}}^1$

素因数の和:960

約数の個数: 48

約数和(自身を含む): 153474048

約数和(自身を除く): 65718261

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 71, 161, 207, 213, 483, 497, 639, 853, 1449, 1491, 1633, 2559, 4473, 4899, 5971, 7677, 11431, 14697, 17913, 19619, 34293, 53739, 58857, 60563, 102879, 137333, 176571, 181689, 411999, 423941, 545067, 1235997, 1271823, 1392949, 3815469, 4178847, 9750643, 12536541, 29251929, 87755787]

約数ペア:

[(1, 87755787), (3, 29251929), (7, 12536541), (9, 9750643), (21, 4178847), (23, 3815469), (63, 1392949), (69, 1271823), (71, 1235997), (161, 545067), (207, 423941), (213, 411999), (483, 181689), (497, 176571), (639, 137333), (853, 102879), (1449, 60563), (1491, 58857), (1633, 53739), (2559, 34293), (4473, 19619), (4899, 17913), (5971, 14697), (7677, 11431)]