2490285

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 4684032

約数和(自身を除く): 2193747

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 105, 111, 185, 259, 555, 641, 777, 1295, 1923, 3205, 3885, 4487, 9615, 13461, 22435, 23717, 67305, 71151, 118585, 166019, 355755, 498057, 830095, 2490285]

約数ペア:

[(1, 2490285), (3, 830095), (5, 498057), (7, 355755), (15, 166019), (21, 118585), (35, 71151), (37, 67305), (105, 23717), (111, 22435), (185, 13461), (259, 9615), (555, 4487), (641, 3885), (777, 3205), (1295, 1923)]