71795205

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{641}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 132200640

約数和(自身を除く): 60405435

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 131, 171, 285, 393, 641, 655, 855, 1179, 1923, 1965, 2489, 3205, 5769, 5895, 7467, 9615, 12179, 12445, 22401, 28845, 36537, 37335, 60895, 83971, 109611, 112005, 182685, 251913, 419855, 548055, 755739, 1259565, 1595449, 3778695, 4786347, 7977245, 14359041, 23931735, 71795205]

約数ペア:

[(1, 71795205), (3, 23931735), (5, 14359041), (9, 7977245), (15, 4786347), (19, 3778695), (45, 1595449), (57, 1259565), (95, 755739), (131, 548055), (171, 419855), (285, 251913), (393, 182685), (641, 112005), (655, 109611), (855, 83971), (1179, 60895), (1923, 37335), (1965, 36537), (2489, 28845), (3205, 22401), (5769, 12445), (5895, 12179), (7467, 9615)]