212879175

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{647}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 364476672

約数和(自身を除く): 151597497

約数列:

[1, 3, 5, 15, 25, 41, 75, 107, 123, 205, 321, 535, 615, 647, 1025, 1605, 1941, 2675, 3075, 3235, 4387, 8025, 9705, 13161, 16175, 21935, 26527, 48525, 65805, 69229, 79581, 109675, 132635, 207687, 329025, 346145, 397905, 663175, 1038435, 1730725, 1989525, 2838389, 5192175, 8515167, 14191945, 42575835, 70959725, 212879175]

約数ペア:

[(1, 212879175), (3, 70959725), (5, 42575835), (15, 14191945), (25, 8515167), (41, 5192175), (75, 2838389), (107, 1989525), (123, 1730725), (205, 1038435), (321, 663175), (535, 397905), (615, 346145), (647, 329025), (1025, 207687), (1605, 132635), (1941, 109675), (2675, 79581), (3075, 69229), (3235, 65805), (4387, 48525), (8025, 26527), (9705, 21935), (13161, 16175)]