218501073

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{677}}^1$

素因数の和:846

約数の個数: 48

約数和(自身を含む): 372303360

約数和(自身を除く): 153802287

約数列:

[1, 3, 7, 9, 21, 47, 63, 109, 141, 327, 329, 423, 677, 763, 981, 987, 2031, 2289, 2961, 4739, 5123, 6093, 6867, 14217, 15369, 31819, 35861, 42651, 46107, 73793, 95457, 107583, 221379, 222733, 286371, 322749, 516551, 664137, 668199, 1549653, 2004597, 3468271, 4648959, 10404813, 24277897, 31214439, 72833691, 218501073]

約数ペア:

[(1, 218501073), (3, 72833691), (7, 31214439), (9, 24277897), (21, 10404813), (47, 4648959), (63, 3468271), (109, 2004597), (141, 1549653), (327, 668199), (329, 664137), (423, 516551), (677, 322749), (763, 286371), (981, 222733), (987, 221379), (2031, 107583), (2289, 95457), (2961, 73793), (4739, 46107), (5123, 42651), (6093, 35861), (6867, 31819), (14217, 15369)]