201239119921

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{20921}}^1\times {\mathrm{37139}}^1$

素因数の和:58104

約数の個数: 16

約数和(自身を含む): 236221096320

約数和(自身を除く): 34981976399

約数列:

[1, 7, 37, 259, 20921, 37139, 146447, 259973, 774077, 1374143, 5418539, 9619001, 776985019, 5438895133, 28748445703, 201239119921]

約数ペア:

[(1, 201239119921), (7, 28748445703), (37, 5438895133), (259, 776985019), (20921, 9619001), (37139, 5418539), (146447, 1374143), (259973, 774077)]