20161155441

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{439787}}^1$

素因数の和:439893

約数の個数: 32

約数和(自身を含む): 32086932480

約数和(自身を除く): 11925777039

約数列:

[1, 3, 7, 21, 37, 59, 111, 177, 259, 413, 777, 1239, 2183, 6549, 15281, 45843, 439787, 1319361, 3078509, 9235527, 16272119, 25947433, 48816357, 77842299, 113904833, 181632031, 341714499, 544896093, 960055021, 2880165063, 6720385147, 20161155441]

約数ペア:

[(1, 20161155441), (3, 6720385147), (7, 2880165063), (21, 960055021), (37, 544896093), (59, 341714499), (111, 181632031), (177, 113904833), (259, 77842299), (413, 48816357), (777, 25947433), (1239, 16272119), (2183, 9235527), (6549, 3078509), (15281, 1319361), (45843, 439787)]