215903135

素因数分解:

$5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 300972672

約数和(自身を除く): 85069537

約数列:

[1, 5, 7, 35, 173, 181, 197, 865, 905, 985, 1211, 1267, 1379, 6055, 6335, 6895, 31313, 34081, 35657, 156565, 170405, 178285, 219191, 238567, 249599, 1095955, 1192835, 1247995, 6168661, 30843305, 43180627, 215903135]

約数ペア:

[(1, 215903135), (5, 43180627), (7, 30843305), (35, 6168661), (173, 1247995), (181, 1192835), (197, 1095955), (865, 249599), (905, 238567), (985, 219191), (1211, 178285), (1267, 170405), (1379, 156565), (6055, 35657), (6335, 34081), (6895, 31313)]