18810387

素因数分解:

$3^8\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:132

約数の個数: 36

約数和(自身を含む): 29286816

約数和(自身を除く): 10476429

約数列:

[1, 3, 9, 27, 47, 61, 81, 141, 183, 243, 423, 549, 729, 1269, 1647, 2187, 2867, 3807, 4941, 6561, 8601, 11421, 14823, 25803, 34263, 44469, 77409, 102789, 133407, 232227, 308367, 400221, 696681, 2090043, 6270129, 18810387]

約数ペア:

[(1, 18810387), (3, 6270129), (9, 2090043), (27, 696681), (47, 400221), (61, 308367), (81, 232227), (141, 133407), (183, 102789), (243, 77409), (423, 44469), (549, 34263), (729, 25803), (1269, 14823), (1647, 11421), (2187, 8601), (2867, 6561), (3807, 4941)]