155771805

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 293068800

約数和(自身を除く): 137296995

約数列:

[1, 3, 5, 7, 15, 21, 35, 79, 89, 105, 211, 237, 267, 395, 445, 553, 623, 633, 1055, 1185, 1335, 1477, 1659, 1869, 2765, 3115, 3165, 4431, 7031, 7385, 8295, 9345, 16669, 18779, 21093, 22155, 35155, 49217, 50007, 56337, 83345, 93895, 105465, 116683, 131453, 147651, 246085, 250035, 281685, 350049, 394359, 583415, 657265, 738255, 1483541, 1750245, 1971795, 4450623, 7417705, 10384787, 22253115, 31154361, 51923935, 155771805]

約数ペア:

[(1, 155771805), (3, 51923935), (5, 31154361), (7, 22253115), (15, 10384787), (21, 7417705), (35, 4450623), (79, 1971795), (89, 1750245), (105, 1483541), (211, 738255), (237, 657265), (267, 583415), (395, 394359), (445, 350049), (553, 281685), (623, 250035), (633, 246085), (1055, 147651), (1185, 131453), (1335, 116683), (1477, 105465), (1659, 93895), (1869, 83345), (2765, 56337), (3115, 50007), (3165, 49217), (4431, 35155), (7031, 22155), (7385, 21093), (8295, 18779), (9345, 16669)]