40167981

素因数分解:

$3^4\times 7^1\times {\mathrm{70843}}^1$

素因数の和:70862

約数の個数: 20

約数和(自身を含む): 68576992

約数和(自身を除く): 28409011

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 70843, 212529, 495901, 637587, 1487703, 1912761, 4463109, 5738283, 13389327, 40167981]

約数ペア:

[(1, 40167981), (3, 13389327), (7, 5738283), (9, 4463109), (21, 1912761), (27, 1487703), (63, 637587), (81, 495901), (189, 212529), (567, 70843)]