9873981

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{9377}}^1$

素因数の和:9402

約数の個数: 20

約数和(自身を含む): 15886332

約数和(自身を除く): 6012351

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 9377, 28131, 84393, 121901, 253179, 365703, 759537, 1097109, 3291327, 9873981]

約数ペア:

[(1, 9873981), (3, 3291327), (9, 1097109), (13, 759537), (27, 365703), (39, 253179), (81, 121901), (117, 84393), (351, 28131), (1053, 9377)]