725411811

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 1144078992

約数和(自身を除く): 418667181

約数列:

[1, 3, 17, 19, 31, 41, 51, 57, 93, 123, 323, 361, 527, 589, 697, 779, 961, 969, 1083, 1271, 1581, 1767, 2091, 2337, 2883, 3813, 6137, 10013, 11191, 13243, 14801, 16337, 18259, 18411, 21607, 24149, 30039, 33573, 39401, 39729, 44403, 49011, 54777, 64821, 72447, 118203, 190247, 251617, 310403, 346921, 410533, 458831, 570741, 669817, 748619, 754851, 931209, 1040763, 1231599, 1376493, 2009451, 2245857, 5897657, 7800127, 12726523, 14223761, 17692971, 23400381, 38179569, 42671283, 241803937, 725411811]

約数ペア:

[(1, 725411811), (3, 241803937), (17, 42671283), (19, 38179569), (31, 23400381), (41, 17692971), (51, 14223761), (57, 12726523), (93, 7800127), (123, 5897657), (323, 2245857), (361, 2009451), (527, 1376493), (589, 1231599), (697, 1040763), (779, 931209), (961, 754851), (969, 748619), (1083, 669817), (1271, 570741), (1581, 458831), (1767, 410533), (2091, 346921), (2337, 310403), (2883, 251617), (3813, 190247), (6137, 118203), (10013, 72447), (11191, 64821), (13243, 54777), (14801, 49011), (16337, 44403), (18259, 39729), (18411, 39401), (21607, 33573), (24149, 30039)]