20172999

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{467}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 35852544

約数和(自身を除く): 15679545

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 121, 187, 231, 357, 363, 467, 561, 847, 1309, 1401, 2057, 2541, 3269, 3927, 5137, 6171, 7939, 9807, 14399, 15411, 23817, 35959, 43197, 55573, 56507, 87329, 107877, 166719, 169521, 261987, 395549, 611303, 960619, 1186647, 1833909, 2881857, 6724333, 20172999]

約数ペア:

[(1, 20172999), (3, 6724333), (7, 2881857), (11, 1833909), (17, 1186647), (21, 960619), (33, 611303), (51, 395549), (77, 261987), (119, 169521), (121, 166719), (187, 107877), (231, 87329), (357, 56507), (363, 55573), (467, 43197), (561, 35959), (847, 23817), (1309, 15411), (1401, 14399), (2057, 9807), (2541, 7939), (3269, 6171), (3927, 5137)]