128506587

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 209599488

約数和(自身を除く): 81092901

約数列:

[1, 3, 11, 17, 33, 37, 41, 51, 111, 123, 151, 187, 407, 451, 453, 561, 629, 697, 1221, 1353, 1517, 1661, 1887, 2091, 2567, 4551, 4983, 5587, 6191, 6919, 7667, 7701, 16687, 16761, 18573, 20757, 23001, 25789, 28237, 50061, 61457, 68101, 77367, 84711, 94979, 105247, 184371, 204303, 229067, 283679, 284937, 315741, 687201, 851037, 1044769, 1157717, 2519737, 3134307, 3473151, 3894139, 7559211, 11682417, 42835529, 128506587]

約数ペア:

[(1, 128506587), (3, 42835529), (11, 11682417), (17, 7559211), (33, 3894139), (37, 3473151), (41, 3134307), (51, 2519737), (111, 1157717), (123, 1044769), (151, 851037), (187, 687201), (407, 315741), (451, 284937), (453, 283679), (561, 229067), (629, 204303), (697, 184371), (1221, 105247), (1353, 94979), (1517, 84711), (1661, 77367), (1887, 68101), (2091, 61457), (2567, 50061), (4551, 28237), (4983, 25789), (5587, 23001), (6191, 20757), (6919, 18573), (7667, 16761), (7701, 16687)]