131687361

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 211184064

約数和(自身を除く): 79496703

約数列:

[1, 3, 9, 13, 39, 67, 107, 117, 157, 201, 321, 471, 603, 871, 963, 1391, 1413, 2041, 2613, 4173, 6123, 7169, 7839, 10519, 12519, 16799, 18369, 21507, 31557, 50397, 64521, 93197, 94671, 136747, 151191, 218387, 279591, 410241, 655161, 838773, 1125533, 1230723, 1965483, 3376599, 10129797, 14631929, 43895787, 131687361]

約数ペア:

[(1, 131687361), (3, 43895787), (9, 14631929), (13, 10129797), (39, 3376599), (67, 1965483), (107, 1230723), (117, 1125533), (157, 838773), (201, 655161), (321, 410241), (471, 279591), (603, 218387), (871, 151191), (963, 136747), (1391, 94671), (1413, 93197), (2041, 64521), (2613, 50397), (4173, 31557), (6123, 21507), (7169, 18369), (7839, 16799), (10519, 12519)]