80774145

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 149859840

約数和(自身を除く): 69085695

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 103, 111, 135, 157, 185, 309, 333, 471, 515, 555, 785, 927, 999, 1413, 1545, 1665, 2355, 2781, 3811, 4239, 4635, 4995, 5809, 7065, 11433, 13905, 16171, 17427, 19055, 21195, 29045, 34299, 48513, 52281, 57165, 80855, 87135, 102897, 145539, 156843, 171495, 242565, 261405, 436617, 514485, 598327, 727695, 784215, 1794981, 2183085, 2991635, 5384943, 8974905, 16154829, 26924715, 80774145]

約数ペア:

[(1, 80774145), (3, 26924715), (5, 16154829), (9, 8974905), (15, 5384943), (27, 2991635), (37, 2183085), (45, 1794981), (103, 784215), (111, 727695), (135, 598327), (157, 514485), (185, 436617), (309, 261405), (333, 242565), (471, 171495), (515, 156843), (555, 145539), (785, 102897), (927, 87135), (999, 80855), (1413, 57165), (1545, 52281), (1665, 48513), (2355, 34299), (2781, 29045), (3811, 21195), (4239, 19055), (4635, 17427), (4995, 16171), (5809, 13905), (7065, 11433)]