78558921

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73351}}^1$

素因数の和:73381

約数の個数: 24

約数和(自身を含む): 137314944

約数和(自身を除く): 58756023

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 73351, 220053, 513457, 660159, 1246967, 1540371, 3740901, 4621113, 8728769, 11222703, 26186307, 78558921]

約数ペア:

[(1, 78558921), (3, 26186307), (7, 11222703), (9, 8728769), (17, 4621113), (21, 3740901), (51, 1540371), (63, 1246967), (119, 660159), (153, 513457), (357, 220053), (1071, 73351)]