27277775

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 41943744

約数和(自身を除く): 14665969

約数列:

[1, 5, 7, 17, 25, 35, 53, 85, 119, 173, 175, 265, 371, 425, 595, 865, 901, 1211, 1325, 1855, 2941, 2975, 4325, 4505, 6055, 6307, 9169, 9275, 14705, 20587, 22525, 30275, 31535, 45845, 64183, 73525, 102935, 155873, 157675, 229225, 320915, 514675, 779365, 1091111, 1604575, 3896825, 5455555, 27277775]

約数ペア:

[(1, 27277775), (5, 5455555), (7, 3896825), (17, 1604575), (25, 1091111), (35, 779365), (53, 514675), (85, 320915), (119, 229225), (173, 157675), (175, 155873), (265, 102935), (371, 73525), (425, 64183), (595, 45845), (865, 31535), (901, 30275), (1211, 22525), (1325, 20587), (1855, 14705), (2941, 9275), (2975, 9169), (4325, 6307), (4505, 6055)]