1645979937

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{133073}}^1$

素因数の和:133133

約数の個数: 32

約数和(自身を含む): 2725355520

約数和(自身を除く): 1079375583

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 399, 589, 651, 1767, 4123, 12369, 133073, 399219, 931511, 2528387, 2794533, 4125263, 7585161, 12375789, 17698709, 28876841, 53096127, 78379997, 86630523, 235139991, 548659979, 1645979937]

約数ペア:

[(1, 1645979937), (3, 548659979), (7, 235139991), (19, 86630523), (21, 78379997), (31, 53096127), (57, 28876841), (93, 17698709), (133, 12375789), (217, 7585161), (399, 4125263), (589, 2794533), (651, 2528387), (1767, 931511), (4123, 399219), (12369, 133073)]