42021705

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 79128576

約数和(自身を除く): 37106871

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 71, 85, 165, 187, 211, 213, 255, 355, 561, 633, 781, 935, 1055, 1065, 1207, 2321, 2343, 2805, 3165, 3587, 3621, 3905, 6035, 6963, 10761, 11605, 11715, 13277, 14981, 17935, 18105, 34815, 39457, 39831, 44943, 53805, 66385, 74905, 118371, 164791, 197285, 199155, 224715, 254677, 494373, 591855, 764031, 823955, 1273385, 2471865, 2801447, 3820155, 8404341, 14007235, 42021705]

約数ペア:

[(1, 42021705), (3, 14007235), (5, 8404341), (11, 3820155), (15, 2801447), (17, 2471865), (33, 1273385), (51, 823955), (55, 764031), (71, 591855), (85, 494373), (165, 254677), (187, 224715), (211, 199155), (213, 197285), (255, 164791), (355, 118371), (561, 74905), (633, 66385), (781, 53805), (935, 44943), (1055, 39831), (1065, 39457), (1207, 34815), (2321, 18105), (2343, 17935), (2805, 14981), (3165, 13277), (3587, 11715), (3621, 11605), (3905, 10761), (6035, 6963)]