149580705

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{1361}}^1$

素因数の和:1817

約数の個数: 32

約数和(自身を含む): 254181888

約数和(自身を除く): 104601183

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 431, 1293, 1361, 2155, 4083, 6465, 6805, 7327, 20415, 21981, 23137, 36635, 69411, 109905, 115685, 347055, 586591, 1759773, 2932955, 8798865, 9972047, 29916141, 49860235, 149580705]

約数ペア:

[(1, 149580705), (3, 49860235), (5, 29916141), (15, 9972047), (17, 8798865), (51, 2932955), (85, 1759773), (255, 586591), (431, 347055), (1293, 115685), (1361, 109905), (2155, 69411), (4083, 36635), (6465, 23137), (6805, 21981), (7327, 20415)]