65980275

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:596

約数の個数: 48

約数和(自身を含む): 114576000

約数和(自身を除く): 48595725

約数列:

[1, 3, 5, 15, 25, 41, 43, 75, 123, 129, 205, 215, 499, 615, 645, 1025, 1075, 1497, 1763, 2495, 3075, 3225, 5289, 7485, 8815, 12475, 20459, 21457, 26445, 37425, 44075, 61377, 64371, 102295, 107285, 132225, 306885, 321855, 511475, 536425, 879737, 1534425, 1609275, 2639211, 4398685, 13196055, 21993425, 65980275]

約数ペア:

[(1, 65980275), (3, 21993425), (5, 13196055), (15, 4398685), (25, 2639211), (41, 1609275), (43, 1534425), (75, 879737), (123, 536425), (129, 511475), (205, 321855), (215, 306885), (499, 132225), (615, 107285), (645, 102295), (1025, 64371), (1075, 61377), (1497, 44075), (1763, 37425), (2495, 26445), (3075, 21457), (3225, 20459), (5289, 12475), (7485, 8815)]