475957251

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{2153}}^1$

素因数の和:2217

約数の個数: 72

約数和(自身を含む): 893823840

約数和(自身を除く): 417866589

約数列:

[1, 3, 7, 9, 11, 21, 29, 33, 63, 77, 87, 99, 121, 203, 231, 261, 319, 363, 609, 693, 847, 957, 1089, 1827, 2153, 2233, 2541, 2871, 3509, 6459, 6699, 7623, 10527, 15071, 19377, 20097, 23683, 24563, 31581, 45213, 62437, 71049, 73689, 135639, 165781, 187311, 213147, 221067, 260513, 437059, 497343, 561933, 686807, 781539, 1311177, 1492029, 1823591, 2060421, 2344617, 3933531, 4807649, 5470773, 6181263, 7554877, 14422947, 16412319, 22664631, 43268841, 52884139, 67993893, 158652417, 475957251]

約数ペア:

[(1, 475957251), (3, 158652417), (7, 67993893), (9, 52884139), (11, 43268841), (21, 22664631), (29, 16412319), (33, 14422947), (63, 7554877), (77, 6181263), (87, 5470773), (99, 4807649), (121, 3933531), (203, 2344617), (231, 2060421), (261, 1823591), (319, 1492029), (363, 1311177), (609, 781539), (693, 686807), (847, 561933), (957, 497343), (1089, 437059), (1827, 260513), (2153, 221067), (2233, 213147), (2541, 187311), (2871, 165781), (3509, 135639), (6459, 73689), (6699, 71049), (7623, 62437), (10527, 45213), (15071, 31581), (19377, 24563), (20097, 23683)]