15526287

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 29343600

約数和(自身を除く): 13817313

約数列:

[1, 3, 7, 9, 17, 19, 21, 49, 51, 57, 63, 109, 119, 133, 147, 153, 171, 323, 327, 357, 399, 441, 763, 833, 931, 969, 981, 1071, 1197, 1853, 2071, 2261, 2289, 2499, 2793, 2907, 5341, 5559, 6213, 6783, 6867, 7497, 8379, 12971, 14497, 15827, 16023, 16677, 18639, 20349, 35207, 38913, 43491, 47481, 48069, 90797, 101479, 105621, 116739, 130473, 142443, 246449, 272391, 304437, 316863, 739347, 817173, 913311, 1725143, 2218041, 5175429, 15526287]

約数ペア:

[(1, 15526287), (3, 5175429), (7, 2218041), (9, 1725143), (17, 913311), (19, 817173), (21, 739347), (49, 316863), (51, 304437), (57, 272391), (63, 246449), (109, 142443), (119, 130473), (133, 116739), (147, 105621), (153, 101479), (171, 90797), (323, 48069), (327, 47481), (357, 43491), (399, 38913), (441, 35207), (763, 20349), (833, 18639), (931, 16677), (969, 16023), (981, 15827), (1071, 14497), (1197, 12971), (1853, 8379), (2071, 7497), (2261, 6867), (2289, 6783), (2499, 6213), (2793, 5559), (2907, 5341)]