15978069

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:162

約数の個数: 48

約数和(自身を含む): 25945920

約数和(自身を除く): 9967851

約数列:

[1, 3, 9, 19, 41, 43, 53, 57, 123, 129, 159, 171, 369, 387, 477, 779, 817, 1007, 1763, 2173, 2279, 2337, 2451, 3021, 5289, 6519, 6837, 7011, 7353, 9063, 15867, 19557, 20511, 33497, 41287, 43301, 93439, 100491, 123861, 129903, 280317, 301473, 371583, 389709, 840951, 1775341, 5326023, 15978069]

約数ペア:

[(1, 15978069), (3, 5326023), (9, 1775341), (19, 840951), (41, 389709), (43, 371583), (53, 301473), (57, 280317), (123, 129903), (129, 123861), (159, 100491), (171, 93439), (369, 43301), (387, 41287), (477, 33497), (779, 20511), (817, 19557), (1007, 15867), (1763, 9063), (2173, 7353), (2279, 7011), (2337, 6837), (2451, 6519), (3021, 5289)]