775171755

素因数分解:

$3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{433}}^1$

素因数の和:685

約数の個数: 64

約数和(自身を含む): 1406160000

約数和(自身を除く): 630988245

約数列:

[1, 3, 5, 9, 15, 27, 45, 89, 135, 149, 267, 433, 445, 447, 745, 801, 1299, 1335, 1341, 2165, 2235, 2403, 3897, 4005, 4023, 6495, 6705, 11691, 12015, 13261, 19485, 20115, 38537, 39783, 58455, 64517, 66305, 115611, 119349, 192685, 193551, 198915, 322585, 346833, 358047, 578055, 580653, 596745, 967755, 1040499, 1734165, 1741959, 1790235, 2903265, 5202495, 5742013, 8709795, 17226039, 28710065, 51678117, 86130195, 155034351, 258390585, 775171755]

約数ペア:

[(1, 775171755), (3, 258390585), (5, 155034351), (9, 86130195), (15, 51678117), (27, 28710065), (45, 17226039), (89, 8709795), (135, 5742013), (149, 5202495), (267, 2903265), (433, 1790235), (445, 1741959), (447, 1734165), (745, 1040499), (801, 967755), (1299, 596745), (1335, 580653), (1341, 578055), (2165, 358047), (2235, 346833), (2403, 322585), (3897, 198915), (4005, 193551), (4023, 192685), (6495, 119349), (6705, 115611), (11691, 66305), (12015, 64517), (13261, 58455), (19485, 39783), (20115, 38537)]