669885

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:133

約数の個数: 32

約数和(自身を含む): 1181952

約数和(自身を除く): 512067

約数列:

[1, 3, 5, 15, 17, 37, 51, 71, 85, 111, 185, 213, 255, 355, 555, 629, 1065, 1207, 1887, 2627, 3145, 3621, 6035, 7881, 9435, 13135, 18105, 39405, 44659, 133977, 223295, 669885]

約数ペア:

[(1, 669885), (3, 223295), (5, 133977), (15, 44659), (17, 39405), (37, 18105), (51, 13135), (71, 9435), (85, 7881), (111, 6035), (185, 3621), (213, 3145), (255, 2627), (355, 1887), (555, 1207), (629, 1065)]