720897435

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{75211}}^1$

素因数の和:75296

約数の個数: 32

約数和(自身を含む): 1299663360

約数和(自身を除く): 578765925

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 355, 639, 1065, 1917, 3195, 9585, 75211, 225633, 376055, 676899, 1128165, 2030697, 3384495, 5339981, 10153485, 16019943, 26699905, 48059829, 80099715, 144179487, 240299145, 720897435]

約数ペア:

[(1, 720897435), (3, 240299145), (5, 144179487), (9, 80099715), (15, 48059829), (27, 26699905), (45, 16019943), (71, 10153485), (135, 5339981), (213, 3384495), (355, 2030697), (639, 1128165), (1065, 676899), (1917, 376055), (3195, 225633), (9585, 75211)]