12808845

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:219

約数の個数: 72

約数和(自身を含む): 26693784

約数和(自身を除く): 13884939

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 37, 45, 49, 63, 105, 111, 147, 157, 185, 245, 259, 315, 333, 441, 471, 555, 735, 777, 785, 1099, 1295, 1413, 1665, 1813, 2205, 2331, 2355, 3297, 3885, 5439, 5495, 5809, 7065, 7693, 9065, 9891, 11655, 16317, 16485, 17427, 23079, 27195, 29045, 38465, 40663, 49455, 52281, 69237, 81585, 87135, 115395, 121989, 203315, 261405, 284641, 346185, 365967, 609945, 853923, 1423205, 1829835, 2561769, 4269615, 12808845]

約数ペア:

[(1, 12808845), (3, 4269615), (5, 2561769), (7, 1829835), (9, 1423205), (15, 853923), (21, 609945), (35, 365967), (37, 346185), (45, 284641), (49, 261405), (63, 203315), (105, 121989), (111, 115395), (147, 87135), (157, 81585), (185, 69237), (245, 52281), (259, 49455), (315, 40663), (333, 38465), (441, 29045), (471, 27195), (555, 23079), (735, 17427), (777, 16485), (785, 16317), (1099, 11655), (1295, 9891), (1413, 9065), (1665, 7693), (1813, 7065), (2205, 5809), (2331, 5495), (2355, 5439), (3297, 3885)]