217931433

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{239}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 309657600

約数和(自身を除く): 91726167

約数列:

[1, 3, 29, 47, 87, 141, 223, 239, 669, 717, 1363, 4089, 6467, 6931, 10481, 11233, 19401, 20793, 31443, 33699, 53297, 159891, 303949, 325757, 911847, 977271, 1545613, 2504959, 4636839, 7514877, 72643811, 217931433]

約数ペア:

[(1, 217931433), (3, 72643811), (29, 7514877), (47, 4636839), (87, 2504959), (141, 1545613), (223, 977271), (239, 911847), (669, 325757), (717, 303949), (1363, 159891), (4089, 53297), (6467, 33699), (6931, 31443), (10481, 20793), (11233, 19401)]