78390921

素因数分解:

$3^1\times 7^1\times {\mathrm{953}}^1\times {\mathrm{3917}}^1$

素因数の和:4880

約数の個数: 16

約数和(自身を含む): 119608704

約数和(自身を除く): 41217783

約数列:

[1, 3, 7, 21, 953, 2859, 3917, 6671, 11751, 20013, 27419, 82257, 3732901, 11198703, 26130307, 78390921]

約数ペア:

[(1, 78390921), (3, 26130307), (7, 11198703), (21, 3732901), (953, 82257), (2859, 27419), (3917, 20013), (6671, 11751)]