727872561

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1$

素因数の和:672

約数の個数: 80

約数和(自身を含む): 1259075664

約数和(自身を除く): 531203103

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 73, 81, 117, 153, 219, 221, 351, 459, 557, 657, 663, 949, 1053, 1241, 1377, 1671, 1971, 1989, 2847, 3723, 5013, 5913, 5967, 7241, 8541, 9469, 11169, 15039, 16133, 17901, 21723, 25623, 28407, 33507, 40661, 45117, 48399, 65169, 76869, 85221, 100521, 121983, 123097, 145197, 195507, 255663, 365949, 369291, 435591, 528593, 586521, 691237, 766989, 1097847, 1107873, 1306773, 1585779, 2073711, 3293541, 3323619, 4757337, 6221133, 8986081, 9970857, 14272011, 18663399, 26958243, 42816033, 55990197, 80874729, 242624187, 727872561]

約数ペア:

[(1, 727872561), (3, 242624187), (9, 80874729), (13, 55990197), (17, 42816033), (27, 26958243), (39, 18663399), (51, 14272011), (73, 9970857), (81, 8986081), (117, 6221133), (153, 4757337), (219, 3323619), (221, 3293541), (351, 2073711), (459, 1585779), (557, 1306773), (657, 1107873), (663, 1097847), (949, 766989), (1053, 691237), (1241, 586521), (1377, 528593), (1671, 435591), (1971, 369291), (1989, 365949), (2847, 255663), (3723, 195507), (5013, 145197), (5913, 123097), (5967, 121983), (7241, 100521), (8541, 85221), (9469, 76869), (11169, 65169), (15039, 48399), (16133, 45117), (17901, 40661), (21723, 33507), (25623, 28407)]