217267479

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 377613600

約数和(自身を除く): 160346121

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 103, 117, 121, 143, 149, 309, 363, 429, 447, 927, 1089, 1133, 1287, 1339, 1341, 1573, 1639, 1937, 3399, 4017, 4719, 4917, 5811, 10197, 12051, 12463, 14157, 14729, 14751, 15347, 17433, 18029, 21307, 37389, 44187, 46041, 54087, 63921, 112167, 132561, 138123, 162019, 162261, 168817, 191763, 199511, 234377, 486057, 506451, 598533, 703131, 1458171, 1519353, 1795599, 1856987, 2109393, 2194621, 5570961, 6583863, 16712883, 19751589, 24140831, 72422493, 217267479]

約数ペア:

[(1, 217267479), (3, 72422493), (9, 24140831), (11, 19751589), (13, 16712883), (33, 6583863), (39, 5570961), (99, 2194621), (103, 2109393), (117, 1856987), (121, 1795599), (143, 1519353), (149, 1458171), (309, 703131), (363, 598533), (429, 506451), (447, 486057), (927, 234377), (1089, 199511), (1133, 191763), (1287, 168817), (1339, 162261), (1341, 162019), (1573, 138123), (1639, 132561), (1937, 112167), (3399, 63921), (4017, 54087), (4719, 46041), (4917, 44187), (5811, 37389), (10197, 21307), (12051, 18029), (12463, 17433), (14157, 15347), (14729, 14751)]