81677163

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{389}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 121305600

約数和(自身を除く): 39628437

約数列:

[1, 3, 17, 23, 51, 69, 179, 389, 391, 537, 1167, 1173, 3043, 4117, 6613, 8947, 9129, 12351, 19839, 26841, 69631, 69989, 152099, 208893, 209967, 456297, 1183727, 1601513, 3551181, 4804539, 27225721, 81677163]

約数ペア:

[(1, 81677163), (3, 27225721), (17, 4804539), (23, 3551181), (51, 1601513), (69, 1183727), (179, 456297), (389, 209967), (391, 208893), (537, 152099), (1167, 69989), (1173, 69631), (3043, 26841), (4117, 19839), (6613, 12351), (8947, 9129)]