81890121

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{9521}}^1$

素因数の和:9632

約数の個数: 16

約数和(自身を含む): 113349888

約数和(自身を除く): 31459767

約数列:

[1, 3, 47, 61, 141, 183, 2867, 8601, 9521, 28563, 447487, 580781, 1342461, 1742343, 27296707, 81890121]

約数ペア:

[(1, 81890121), (3, 27296707), (47, 1742343), (61, 1342461), (141, 580781), (183, 447487), (2867, 28563), (8601, 9521)]