201995913

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 336199680

約数和(自身を除く): 134203767

約数列:

[1, 3, 7, 21, 23, 37, 69, 89, 111, 127, 161, 259, 267, 381, 483, 623, 777, 851, 889, 1869, 2047, 2553, 2667, 2921, 3293, 4699, 5957, 6141, 8763, 9879, 11303, 14097, 14329, 17871, 20447, 23051, 32893, 33909, 42987, 61341, 69153, 75739, 79121, 98679, 108077, 227217, 237363, 259969, 324231, 418211, 530173, 756539, 779907, 1254633, 1590519, 1819783, 2269617, 2927477, 5459349, 8782431, 9618853, 28856559, 67331971, 201995913]

約数ペア:

[(1, 201995913), (3, 67331971), (7, 28856559), (21, 9618853), (23, 8782431), (37, 5459349), (69, 2927477), (89, 2269617), (111, 1819783), (127, 1590519), (161, 1254633), (259, 779907), (267, 756539), (381, 530173), (483, 418211), (623, 324231), (777, 259969), (851, 237363), (889, 227217), (1869, 108077), (2047, 98679), (2553, 79121), (2667, 75739), (2921, 69153), (3293, 61341), (4699, 42987), (5957, 33909), (6141, 32893), (8763, 23051), (9879, 20447), (11303, 17871), (14097, 14329)]