29178681

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^2$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 49401216

約数和(自身を除く): 20222535

約数列:

[1, 3, 7, 17, 21, 37, 47, 51, 111, 119, 141, 259, 329, 357, 629, 777, 799, 987, 1739, 1887, 2209, 2397, 4403, 5217, 5593, 6627, 12173, 13209, 15463, 16779, 29563, 36519, 37553, 46389, 81733, 88689, 112659, 206941, 245199, 262871, 572131, 620823, 788613, 1389461, 1716393, 4168383, 9726227, 29178681]

約数ペア:

[(1, 29178681), (3, 9726227), (7, 4168383), (17, 1716393), (21, 1389461), (37, 788613), (47, 620823), (51, 572131), (111, 262871), (119, 245199), (141, 206941), (259, 112659), (329, 88689), (357, 81733), (629, 46389), (777, 37553), (799, 36519), (987, 29563), (1739, 16779), (1887, 15463), (2209, 13209), (2397, 12173), (4403, 6627), (5217, 5593)]