31827789

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3583}}^1$

素因数の和:3646

約数の個数: 32

約数和(自身を含む): 55050240

約数和(自身を除く): 23222451

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2961, 3583, 8883, 10749, 25081, 32247, 75243, 96741, 168401, 225729, 505203, 677187, 1178807, 1515609, 3536421, 4546827, 10609263, 31827789]

約数ペア:

[(1, 31827789), (3, 10609263), (7, 4546827), (9, 3536421), (21, 1515609), (27, 1178807), (47, 677187), (63, 505203), (141, 225729), (189, 168401), (329, 96741), (423, 75243), (987, 32247), (1269, 25081), (2961, 10749), (3583, 8883)]