209216147

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1\times {\mathrm{1327}}^1$

素因数の和:1658

約数の個数: 16

約数和(自身を含む): 242737152

約数和(自身を除く): 33521005

約数列:

[1, 7, 101, 223, 707, 1327, 1561, 9289, 22523, 134027, 157661, 295921, 938189, 2071447, 29888021, 209216147]

約数ペア:

[(1, 209216147), (7, 29888021), (101, 2071447), (223, 938189), (707, 295921), (1327, 157661), (1561, 134027), (9289, 22523)]