742305

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:137

約数の個数: 32

約数和(自身を含む): 1306368

約数和(自身を除く): 564063

約数列:

[1, 3, 5, 15, 17, 41, 51, 71, 85, 123, 205, 213, 255, 355, 615, 697, 1065, 1207, 2091, 2911, 3485, 3621, 6035, 8733, 10455, 14555, 18105, 43665, 49487, 148461, 247435, 742305]

約数ペア:

[(1, 742305), (3, 247435), (5, 148461), (15, 49487), (17, 43665), (41, 18105), (51, 14555), (71, 10455), (85, 8733), (123, 6035), (205, 3621), (213, 3485), (255, 2911), (355, 2091), (615, 1207), (697, 1065)]