153197487

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{40241}}^1$

素因数の和:40300

約数の個数: 20

約数和(自身を含む): 233725536

約数和(自身を除く): 80528049

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 40241, 120723, 362169, 1086507, 1891327, 3259521, 5673981, 17021943, 51065829, 153197487]

約数ペア:

[(1, 153197487), (3, 51065829), (9, 17021943), (27, 5673981), (47, 3259521), (81, 1891327), (141, 1086507), (423, 362169), (1269, 120723), (3807, 40241)]