67980423

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{491}}^1$

素因数の和:867

約数の個数: 32

約数和(自身を含む): 109578240

約数和(自身を除く): 41597817

約数列:

[1, 3, 7, 19, 21, 57, 133, 347, 399, 491, 1041, 1473, 2429, 3437, 6593, 7287, 9329, 10311, 19779, 27987, 46151, 65303, 138453, 170377, 195909, 511131, 1192639, 3237163, 3577917, 9711489, 22660141, 67980423]

約数ペア:

[(1, 67980423), (3, 22660141), (7, 9711489), (19, 3577917), (21, 3237163), (57, 1192639), (133, 511131), (347, 195909), (399, 170377), (491, 138453), (1041, 65303), (1473, 46151), (2429, 27987), (3437, 19779), (6593, 10311), (7287, 9329)]