208867888509

素因数分解:

$3^1\times 7^1\times {\mathrm{15601}}^1\times {\mathrm{637529}}^1$

素因数の和:653140

約数の個数: 16

約数和(自身を含む): 318295777920

約数和(自身を除く): 109427889411

約数列:

[1, 3, 7, 21, 15601, 46803, 109207, 327621, 637529, 1912587, 4462703, 13388109, 9946089929, 29838269787, 69622629503, 208867888509]

約数ペア:

[(1, 208867888509), (3, 69622629503), (7, 29838269787), (21, 9946089929), (15601, 13388109), (46803, 4462703), (109207, 1912587), (327621, 637529)]