201545217

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 337002120

約数和(自身を除く): 135456903

約数列:

[1, 3, 9, 17, 19, 41, 51, 57, 89, 123, 153, 171, 267, 323, 361, 369, 697, 779, 801, 969, 1083, 1513, 1691, 2091, 2337, 2907, 3249, 3649, 4539, 5073, 6137, 6273, 7011, 10947, 13243, 13617, 14801, 15219, 18411, 28747, 32129, 32841, 39729, 44403, 55233, 62033, 69331, 86241, 96387, 119187, 133209, 186099, 207993, 251617, 258723, 289161, 546193, 558297, 623979, 754851, 1178627, 1317289, 1638579, 2264553, 3535881, 3951867, 4915737, 10607643, 11855601, 22393913, 67181739, 201545217]

約数ペア:

[(1, 201545217), (3, 67181739), (9, 22393913), (17, 11855601), (19, 10607643), (41, 4915737), (51, 3951867), (57, 3535881), (89, 2264553), (123, 1638579), (153, 1317289), (171, 1178627), (267, 754851), (323, 623979), (361, 558297), (369, 546193), (697, 289161), (779, 258723), (801, 251617), (969, 207993), (1083, 186099), (1513, 133209), (1691, 119187), (2091, 96387), (2337, 86241), (2907, 69331), (3249, 62033), (3649, 55233), (4539, 44403), (5073, 39729), (6137, 32841), (6273, 32129), (7011, 28747), (10947, 18411), (13243, 15219), (13617, 14801)]