78679377

素因数分解:

$3^3\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1471}}^1$

素因数の和:1770

約数の個数: 32

約数和(自身を含む): 133775360

約数和(自身を除く): 55095983

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 283, 849, 1471, 1981, 2547, 4413, 5943, 7641, 10297, 13239, 17829, 30891, 39717, 53487, 92673, 278019, 416293, 1248879, 2914051, 3746637, 8742153, 11239911, 26226459, 78679377]

約数ペア:

[(1, 78679377), (3, 26226459), (7, 11239911), (9, 8742153), (21, 3746637), (27, 2914051), (63, 1248879), (189, 416293), (283, 278019), (849, 92673), (1471, 53487), (1981, 39717), (2547, 30891), (4413, 17829), (5943, 13239), (7641, 10297)]