91914921

素因数分解:

$3^2\times 7^1\times {\mathrm{643}}^1\times {\mathrm{2269}}^1$

素因数の和:2925

約数の個数: 24

約数和(自身を含む): 152035520

約数和(自身を除く): 60120599

約数列:

[1, 3, 7, 9, 21, 63, 643, 1929, 2269, 4501, 5787, 6807, 13503, 15883, 20421, 40509, 47649, 142947, 1458967, 4376901, 10212769, 13130703, 30638307, 91914921]

約数ペア:

[(1, 91914921), (3, 30638307), (7, 13130703), (9, 10212769), (21, 4376901), (63, 1458967), (643, 142947), (1929, 47649), (2269, 40509), (4501, 20421), (5787, 15883), (6807, 13503)]