987255

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:188

約数の個数: 32

約数和(自身を含む): 1797120

約数和(自身を除く): 809865

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 103, 135, 213, 309, 355, 515, 639, 927, 1065, 1545, 1917, 2781, 3195, 4635, 7313, 9585, 13905, 21939, 36565, 65817, 109695, 197451, 329085, 987255]

約数ペア:

[(1, 987255), (3, 329085), (5, 197451), (9, 109695), (15, 65817), (27, 36565), (45, 21939), (71, 13905), (103, 9585), (135, 7313), (213, 4635), (309, 3195), (355, 2781), (515, 1917), (639, 1545), (927, 1065)]