31373085

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 56401920

約数和(自身を除く): 25028835

約数列:

[1, 3, 5, 15, 19, 31, 53, 57, 67, 93, 95, 155, 159, 201, 265, 285, 335, 465, 589, 795, 1005, 1007, 1273, 1643, 1767, 2077, 2945, 3021, 3551, 3819, 4929, 5035, 6231, 6365, 8215, 8835, 10385, 10653, 15105, 17755, 19095, 24645, 31155, 31217, 39463, 53265, 67469, 93651, 110081, 118389, 156085, 197315, 202407, 330243, 337345, 468255, 550405, 591945, 1012035, 1651215, 2091539, 6274617, 10457695, 31373085]

約数ペア:

[(1, 31373085), (3, 10457695), (5, 6274617), (15, 2091539), (19, 1651215), (31, 1012035), (53, 591945), (57, 550405), (67, 468255), (93, 337345), (95, 330243), (155, 202407), (159, 197315), (201, 156085), (265, 118389), (285, 110081), (335, 93651), (465, 67469), (589, 53265), (795, 39463), (1005, 31217), (1007, 31155), (1273, 24645), (1643, 19095), (1767, 17755), (2077, 15105), (2945, 10653), (3021, 10385), (3551, 8835), (3819, 8215), (4929, 6365), (5035, 6231)]