210866895

素因数分解:

$3^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:164

約数の個数: 112

約数和(自身を含む): 416459232

約数和(自身を除く): 205592337

約数列:

[1, 3, 5, 9, 15, 17, 27, 41, 45, 51, 81, 83, 85, 123, 135, 153, 205, 243, 249, 255, 369, 405, 415, 459, 615, 697, 729, 747, 765, 1107, 1215, 1245, 1377, 1411, 1845, 2091, 2241, 2295, 3321, 3403, 3485, 3645, 3735, 4131, 4233, 5535, 6273, 6723, 6885, 7055, 9963, 10209, 10455, 11205, 12393, 12699, 16605, 17015, 18819, 20169, 20655, 21165, 29889, 30627, 31365, 33615, 38097, 49815, 51045, 56457, 57851, 60507, 61965, 63495, 91881, 94095, 100845, 114291, 149445, 153135, 169371, 173553, 190485, 275643, 282285, 289255, 302535, 342873, 459405, 508113, 520659, 571455, 826929, 846855, 867765, 1028619, 1378215, 1561977, 1714365, 2480787, 2540565, 2603295, 4134645, 4685931, 5143095, 7809885, 12403935, 14057793, 23429655, 42173379, 70288965, 210866895]

約数ペア:

[(1, 210866895), (3, 70288965), (5, 42173379), (9, 23429655), (15, 14057793), (17, 12403935), (27, 7809885), (41, 5143095), (45, 4685931), (51, 4134645), (81, 2603295), (83, 2540565), (85, 2480787), (123, 1714365), (135, 1561977), (153, 1378215), (205, 1028619), (243, 867765), (249, 846855), (255, 826929), (369, 571455), (405, 520659), (415, 508113), (459, 459405), (615, 342873), (697, 302535), (729, 289255), (747, 282285), (765, 275643), (1107, 190485), (1215, 173553), (1245, 169371), (1377, 153135), (1411, 149445), (1845, 114291), (2091, 100845), (2241, 94095), (2295, 91881), (3321, 63495), (3403, 61965), (3485, 60507), (3645, 57851), (3735, 56457), (4131, 51045), (4233, 49815), (5535, 38097), (6273, 33615), (6723, 31365), (6885, 30627), (7055, 29889), (9963, 21165), (10209, 20655), (10455, 20169), (11205, 18819), (12393, 17015), (12699, 16605)]