281926275

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{107}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 507021120

約数和(自身を除く): 225094845

約数列:

[1, 3, 5, 15, 19, 25, 43, 57, 75, 95, 107, 129, 215, 285, 321, 475, 535, 645, 817, 1075, 1425, 1605, 1849, 2033, 2451, 2675, 3225, 4085, 4601, 5547, 6099, 8025, 9245, 10165, 12255, 13803, 20425, 23005, 27735, 30495, 35131, 46225, 50825, 61275, 69015, 87419, 105393, 115025, 138675, 152475, 175655, 197843, 262257, 345075, 437095, 526965, 593529, 878275, 989215, 1311285, 2185475, 2634825, 2967645, 3759017, 4946075, 6556425, 11277051, 14838225, 18795085, 56385255, 93975425, 281926275]

約数ペア:

[(1, 281926275), (3, 93975425), (5, 56385255), (15, 18795085), (19, 14838225), (25, 11277051), (43, 6556425), (57, 4946075), (75, 3759017), (95, 2967645), (107, 2634825), (129, 2185475), (215, 1311285), (285, 989215), (321, 878275), (475, 593529), (535, 526965), (645, 437095), (817, 345075), (1075, 262257), (1425, 197843), (1605, 175655), (1849, 152475), (2033, 138675), (2451, 115025), (2675, 105393), (3225, 87419), (4085, 69015), (4601, 61275), (5547, 50825), (6099, 46225), (8025, 35131), (9245, 30495), (10165, 27735), (12255, 23005), (13803, 20425)]