128668869

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 232946688

約数和(自身を除く): 104277819

約数列:

[1, 3, 7, 9, 17, 21, 37, 51, 63, 111, 119, 153, 191, 259, 289, 333, 357, 573, 629, 777, 867, 1071, 1337, 1719, 1887, 2023, 2331, 2601, 3247, 4011, 4403, 5661, 6069, 7067, 9741, 10693, 12033, 13209, 18207, 21201, 22729, 29223, 32079, 39627, 49469, 55199, 63603, 68187, 74851, 96237, 120139, 148407, 165597, 204561, 224553, 360417, 386393, 445221, 496791, 673659, 840973, 1081251, 1159179, 2042363, 2522919, 3477537, 6127089, 7568757, 14296541, 18381267, 42889623, 128668869]

約数ペア:

[(1, 128668869), (3, 42889623), (7, 18381267), (9, 14296541), (17, 7568757), (21, 6127089), (37, 3477537), (51, 2522919), (63, 2042363), (111, 1159179), (119, 1081251), (153, 840973), (191, 673659), (259, 496791), (289, 445221), (333, 386393), (357, 360417), (573, 224553), (629, 204561), (777, 165597), (867, 148407), (1071, 120139), (1337, 96237), (1719, 74851), (1887, 68187), (2023, 63603), (2331, 55199), (2601, 49469), (3247, 39627), (4011, 32079), (4403, 29223), (5661, 22729), (6069, 21201), (7067, 18207), (9741, 13209), (10693, 12033)]