15209219907

素因数分解:

$3^4\times 7^3\times {\mathrm{31}}^1\times {\mathrm{17659}}^1$

素因数の和:17723

約数の個数: 80

約数和(自身を含む): 27351808000

約数和(自身を除く): 12142588093

約数列:

[1, 3, 7, 9, 21, 27, 31, 49, 63, 81, 93, 147, 189, 217, 279, 343, 441, 567, 651, 837, 1029, 1323, 1519, 1953, 2511, 3087, 3969, 4557, 5859, 9261, 10633, 13671, 17577, 17659, 27783, 31899, 41013, 52977, 95697, 123039, 123613, 158931, 287091, 370839, 476793, 547429, 861273, 865291, 1112517, 1430379, 1642287, 2595873, 3337551, 3832003, 4926861, 6057037, 7787619, 10012653, 11496009, 14780583, 18171111, 23362857, 26824021, 34488027, 44341749, 54513333, 70088571, 80472063, 103464081, 163539999, 187768147, 241416189, 310392243, 490619997, 563304441, 724248567, 1689913323, 2172745701, 5069739969, 15209219907]

約数ペア:

[(1, 15209219907), (3, 5069739969), (7, 2172745701), (9, 1689913323), (21, 724248567), (27, 563304441), (31, 490619997), (49, 310392243), (63, 241416189), (81, 187768147), (93, 163539999), (147, 103464081), (189, 80472063), (217, 70088571), (279, 54513333), (343, 44341749), (441, 34488027), (567, 26824021), (651, 23362857), (837, 18171111), (1029, 14780583), (1323, 11496009), (1519, 10012653), (1953, 7787619), (2511, 6057037), (3087, 4926861), (3969, 3832003), (4557, 3337551), (5859, 2595873), (9261, 1642287), (10633, 1430379), (13671, 1112517), (17577, 865291), (17659, 861273), (27783, 547429), (31899, 476793), (41013, 370839), (52977, 287091), (95697, 158931), (123039, 123613)]