51162867

素因数分解:

$3^3\times 7^1\times {\mathrm{421}}^1\times {\mathrm{643}}^1$

素因数の和:1080

約数の個数: 32

約数和(自身を含む): 86965760

約数和(自身を除く): 35802893

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 421, 643, 1263, 1929, 2947, 3789, 4501, 5787, 8841, 11367, 13503, 17361, 26523, 40509, 79569, 121527, 270703, 812109, 1894921, 2436327, 5684763, 7308981, 17054289, 51162867]

約数ペア:

[(1, 51162867), (3, 17054289), (7, 7308981), (9, 5684763), (21, 2436327), (27, 1894921), (63, 812109), (189, 270703), (421, 121527), (643, 79569), (1263, 40509), (1929, 26523), (2947, 17361), (3789, 13503), (4501, 11367), (5787, 8841)]