488858013

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{997}}^1$

素因数の和:1234

約数の個数: 48

約数和(自身を含む): 831166336

約数和(自身を除く): 342308323

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 181, 301, 387, 543, 903, 997, 1267, 1629, 2709, 2991, 3801, 6979, 7783, 8973, 11403, 20937, 23349, 42871, 54481, 62811, 70047, 128613, 163443, 180457, 300097, 385839, 490329, 541371, 900291, 1263199, 1624113, 2700873, 3789597, 7759651, 11368791, 23278953, 54317557, 69836859, 162952671, 488858013]

約数ペア:

[(1, 488858013), (3, 162952671), (7, 69836859), (9, 54317557), (21, 23278953), (43, 11368791), (63, 7759651), (129, 3789597), (181, 2700873), (301, 1624113), (387, 1263199), (543, 900291), (903, 541371), (997, 490329), (1267, 385839), (1629, 300097), (2709, 180457), (2991, 163443), (3801, 128613), (6979, 70047), (7783, 62811), (8973, 54481), (11403, 42871), (20937, 23349)]