66538845

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 119351232

約数和(自身を除く): 52812387

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 137, 215, 251, 387, 411, 645, 685, 753, 1233, 1255, 1935, 2055, 2259, 3765, 5891, 6165, 10793, 11295, 17673, 29455, 32379, 34387, 53019, 53965, 88365, 97137, 103161, 161895, 171935, 265095, 309483, 485685, 515805, 1478641, 1547415, 4435923, 7393205, 13307769, 22179615, 66538845]

約数ペア:

[(1, 66538845), (3, 22179615), (5, 13307769), (9, 7393205), (15, 4435923), (43, 1547415), (45, 1478641), (129, 515805), (137, 485685), (215, 309483), (251, 265095), (387, 171935), (411, 161895), (645, 103161), (685, 97137), (753, 88365), (1233, 53965), (1255, 53019), (1935, 34387), (2055, 32379), (2259, 29455), (3765, 17673), (5891, 11295), (6165, 10793)]