72065721

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{877}}^1$

素因数の和:950

約数の個数: 48

約数和(自身を含む): 123313344

約数和(自身を除く): 51247623

約数列:

[1, 3, 7, 13, 21, 39, 43, 49, 91, 129, 147, 273, 301, 559, 637, 877, 903, 1677, 1911, 2107, 2631, 3913, 6139, 6321, 11401, 11739, 18417, 27391, 34203, 37711, 42973, 79807, 82173, 113133, 128919, 239421, 263977, 490243, 558649, 791931, 1470729, 1675947, 1847839, 3431701, 5543517, 10295103, 24021907, 72065721]

約数ペア:

[(1, 72065721), (3, 24021907), (7, 10295103), (13, 5543517), (21, 3431701), (39, 1847839), (43, 1675947), (49, 1470729), (91, 791931), (129, 558649), (147, 490243), (273, 263977), (301, 239421), (559, 128919), (637, 113133), (877, 82173), (903, 79807), (1677, 42973), (1911, 37711), (2107, 34203), (2631, 27391), (3913, 18417), (6139, 11739), (6321, 11401)]