1261497721

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{12251}}^1$

素因数の和:12333

約数の個数: 24

約数和(自身を含む): 1486118592

約数和(自身を除く): 224620871

約数列:

[1, 11, 23, 37, 121, 253, 407, 851, 2783, 4477, 9361, 12251, 102971, 134761, 281773, 453287, 1482371, 3099503, 4986157, 10425601, 34094533, 54847727, 114681611, 1261497721]

約数ペア:

[(1, 1261497721), (11, 114681611), (23, 54847727), (37, 34094533), (121, 10425601), (253, 4986157), (407, 3099503), (851, 1482371), (2783, 453287), (4477, 281773), (9361, 134761), (12251, 102971)]