205223865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{557}}^1$

素因数の和:623

約数の個数: 96

約数和(自身を含む): 427472640

約数和(自身を除く): 222248775

約数列:

[1, 3, 5, 7, 11, 15, 21, 29, 33, 35, 55, 77, 87, 105, 121, 145, 165, 203, 231, 319, 363, 385, 435, 557, 605, 609, 847, 957, 1015, 1155, 1595, 1671, 1815, 2233, 2541, 2785, 3045, 3509, 3899, 4235, 4785, 6127, 6699, 8355, 10527, 11165, 11697, 12705, 16153, 17545, 18381, 19495, 24563, 30635, 33495, 42889, 48459, 52635, 58485, 67397, 73689, 80765, 91905, 113071, 122815, 128667, 177683, 202191, 214445, 242295, 336985, 339213, 368445, 471779, 533049, 565355, 643335, 888415, 1010955, 1243781, 1415337, 1696065, 1954513, 2358895, 2665245, 3731343, 5863539, 6218905, 7076685, 9772565, 13681591, 18656715, 29317695, 41044773, 68407955, 205223865]

約数ペア:

[(1, 205223865), (3, 68407955), (5, 41044773), (7, 29317695), (11, 18656715), (15, 13681591), (21, 9772565), (29, 7076685), (33, 6218905), (35, 5863539), (55, 3731343), (77, 2665245), (87, 2358895), (105, 1954513), (121, 1696065), (145, 1415337), (165, 1243781), (203, 1010955), (231, 888415), (319, 643335), (363, 565355), (385, 533049), (435, 471779), (557, 368445), (605, 339213), (609, 336985), (847, 242295), (957, 214445), (1015, 202191), (1155, 177683), (1595, 128667), (1671, 122815), (1815, 113071), (2233, 91905), (2541, 80765), (2785, 73689), (3045, 67397), (3509, 58485), (3899, 52635), (4235, 48459), (4785, 42889), (6127, 33495), (6699, 30635), (8355, 24563), (10527, 19495), (11165, 18381), (11697, 17545), (12705, 16153)]