71854485

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 126904320

約数和(自身を除く): 55049835

約数列:

[1, 3, 5, 15, 19, 53, 57, 67, 71, 95, 159, 201, 213, 265, 285, 335, 355, 795, 1005, 1007, 1065, 1273, 1349, 3021, 3551, 3763, 3819, 4047, 4757, 5035, 6365, 6745, 10653, 11289, 14271, 15105, 17755, 18815, 19095, 20235, 23785, 53265, 56445, 67469, 71355, 71497, 90383, 202407, 214491, 252121, 271149, 337345, 357485, 451915, 756363, 1012035, 1072455, 1260605, 1355745, 3781815, 4790299, 14370897, 23951495, 71854485]

約数ペア:

[(1, 71854485), (3, 23951495), (5, 14370897), (15, 4790299), (19, 3781815), (53, 1355745), (57, 1260605), (67, 1072455), (71, 1012035), (95, 756363), (159, 451915), (201, 357485), (213, 337345), (265, 271149), (285, 252121), (335, 214491), (355, 202407), (795, 90383), (1005, 71497), (1007, 71355), (1065, 67469), (1273, 56445), (1349, 53265), (3021, 23785), (3551, 20235), (3763, 19095), (3819, 18815), (4047, 17755), (4757, 15105), (5035, 14271), (6365, 11289), (6745, 10653)]