84103257

素因数分解:

$3^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{47}}^2$

素因数の和:155

約数の個数: 48

約数和(自身を含む): 137225600

約数和(自身を除く): 53122343

約数列:

[1, 3, 7, 21, 37, 47, 49, 111, 141, 147, 259, 329, 343, 777, 987, 1029, 1739, 1813, 2209, 2303, 5217, 5439, 6627, 6909, 12173, 12691, 15463, 16121, 36519, 38073, 46389, 48363, 81733, 85211, 108241, 245199, 255633, 324723, 572131, 596477, 757687, 1716393, 1789431, 2273061, 4004917, 12014751, 28034419, 84103257]

約数ペア:

[(1, 84103257), (3, 28034419), (7, 12014751), (21, 4004917), (37, 2273061), (47, 1789431), (49, 1716393), (111, 757687), (141, 596477), (147, 572131), (259, 324723), (329, 255633), (343, 245199), (777, 108241), (987, 85211), (1029, 81733), (1739, 48363), (1813, 46389), (2209, 38073), (2303, 36519), (5217, 16121), (5439, 15463), (6627, 12691), (6909, 12173)]