66465819

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 120422400

約数和(自身を除く): 53956581

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 83, 133, 171, 189, 223, 249, 399, 513, 581, 669, 747, 1197, 1561, 1577, 1743, 2007, 2241, 3591, 4237, 4683, 4731, 5229, 6021, 11039, 12711, 14049, 14193, 15687, 18509, 29659, 33117, 38133, 42147, 42579, 55527, 88977, 99351, 114399, 129563, 166581, 266931, 298053, 351671, 388689, 499743, 800793, 1055013, 1166067, 2461697, 3165039, 3498201, 7385091, 9495117, 22155273, 66465819]

約数ペア:

[(1, 66465819), (3, 22155273), (7, 9495117), (9, 7385091), (19, 3498201), (21, 3165039), (27, 2461697), (57, 1166067), (63, 1055013), (83, 800793), (133, 499743), (171, 388689), (189, 351671), (223, 298053), (249, 266931), (399, 166581), (513, 129563), (581, 114399), (669, 99351), (747, 88977), (1197, 55527), (1561, 42579), (1577, 42147), (1743, 38133), (2007, 33117), (2241, 29659), (3591, 18509), (4237, 15687), (4683, 14193), (4731, 14049), (5229, 12711), (6021, 11039)]