20172860127

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{18059}}^1$

素因数の和:18245

約数の個数: 72

約数和(自身を含む): 36132642000

約数和(自身を除く): 15959781873

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 149, 153, 357, 441, 447, 833, 1043, 1071, 1341, 2499, 2533, 3129, 7301, 7497, 7599, 9387, 17731, 18059, 21903, 22797, 53193, 54177, 65709, 124117, 126413, 159579, 162531, 307003, 372351, 379239, 884891, 921009, 1117053, 1137717, 2149021, 2654673, 2690791, 2763027, 6447063, 7964019, 8072373, 15043147, 18835537, 19341189, 24217119, 45129441, 45743447, 56506611, 131848759, 135388323, 137230341, 169519833, 320204129, 395546277, 411691023, 960612387, 1186638831, 2241428903, 2881837161, 6724286709, 20172860127]

約数ペア:

[(1, 20172860127), (3, 6724286709), (7, 2881837161), (9, 2241428903), (17, 1186638831), (21, 960612387), (49, 411691023), (51, 395546277), (63, 320204129), (119, 169519833), (147, 137230341), (149, 135388323), (153, 131848759), (357, 56506611), (441, 45743447), (447, 45129441), (833, 24217119), (1043, 19341189), (1071, 18835537), (1341, 15043147), (2499, 8072373), (2533, 7964019), (3129, 6447063), (7301, 2763027), (7497, 2690791), (7599, 2654673), (9387, 2149021), (17731, 1137717), (18059, 1117053), (21903, 921009), (22797, 884891), (53193, 379239), (54177, 372351), (65709, 307003), (124117, 162531), (126413, 159579)]