66785817

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2837}}^1$

素因数の和:2925

約数の個数: 32

約数和(自身を含む): 108979200

約数和(自身を除く): 42193383

約数列:

[1, 3, 7, 19, 21, 57, 59, 133, 177, 399, 413, 1121, 1239, 2837, 3363, 7847, 8511, 19859, 23541, 53903, 59577, 161709, 167383, 377321, 502149, 1131963, 1171681, 3180277, 3515043, 9540831, 22261939, 66785817]

約数ペア:

[(1, 66785817), (3, 22261939), (7, 9540831), (19, 3515043), (21, 3180277), (57, 1171681), (59, 1131963), (133, 502149), (177, 377321), (399, 167383), (413, 161709), (1121, 59577), (1239, 53903), (2837, 23541), (3363, 19859), (7847, 8511)]