201615981

素因数分解:

$3^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{19087}}^1$

素因数の和:19600

約数の個数: 16

約数和(自身を含む): 307851264

約数和(自身を除く): 106235283

約数列:

[1, 3, 7, 21, 503, 1509, 3521, 10563, 19087, 57261, 133609, 400827, 9600761, 28802283, 67205327, 201615981]

約数ペア:

[(1, 201615981), (3, 67205327), (7, 28802283), (21, 9600761), (503, 400827), (1509, 133609), (3521, 57261), (10563, 19087)]