201771675

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{42703}}^1$

素因数の和:42729

約数の個数: 48

約数和(自身を含む): 423623680

約数和(自身を除く): 221852005

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 525, 675, 945, 1575, 4725, 42703, 128109, 213515, 298921, 384327, 640545, 896763, 1067575, 1152981, 1494605, 1921635, 2690289, 3202725, 4483815, 5764905, 7473025, 8070867, 9608175, 13451445, 22419075, 28824525, 40354335, 67257225, 201771675]

約数ペア:

[(1, 201771675), (3, 67257225), (5, 40354335), (7, 28824525), (9, 22419075), (15, 13451445), (21, 9608175), (25, 8070867), (27, 7473025), (35, 5764905), (45, 4483815), (63, 3202725), (75, 2690289), (105, 1921635), (135, 1494605), (175, 1152981), (189, 1067575), (225, 896763), (315, 640545), (525, 384327), (675, 298921), (945, 213515), (1575, 128109), (4725, 42703)]