77420415

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{643}}^1$

素因数の和:1023

約数の個数: 32

約数和(自身を含む): 129830400

約数和(自身を除く): 52409985

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 349, 643, 1047, 1745, 1929, 3215, 5235, 8027, 9645, 14789, 24081, 40135, 44367, 73945, 120405, 221835, 224407, 673221, 1122035, 3366105, 5161361, 15484083, 25806805, 77420415]

約数ペア:

[(1, 77420415), (3, 25806805), (5, 15484083), (15, 5161361), (23, 3366105), (69, 1122035), (115, 673221), (345, 224407), (349, 221835), (643, 120405), (1047, 73945), (1745, 44367), (1929, 40135), (3215, 24081), (5235, 14789), (8027, 9645)]