31417287

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 49641984

約数和(自身を除く): 18224697

約数列:

[1, 3, 11, 23, 33, 53, 69, 71, 121, 159, 213, 253, 363, 583, 759, 781, 1219, 1633, 1749, 2343, 2783, 3657, 3763, 4899, 6413, 8349, 8591, 11289, 13409, 17963, 19239, 25773, 40227, 41393, 53889, 86549, 124179, 147499, 197593, 259647, 442497, 455323, 592779, 952039, 1365969, 2856117, 10472429, 31417287]

約数ペア:

[(1, 31417287), (3, 10472429), (11, 2856117), (23, 1365969), (33, 952039), (53, 592779), (69, 455323), (71, 442497), (121, 259647), (159, 197593), (213, 147499), (253, 124179), (363, 86549), (583, 53889), (759, 41393), (781, 40227), (1219, 25773), (1633, 19239), (1749, 17963), (2343, 13409), (2783, 11289), (3657, 8591), (3763, 8349), (4899, 6413)]