220121559

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{205529}}^1$

素因数の和:205559

約数の個数: 24

約数和(自身を含む): 384752160

約数和(自身を除く): 164630601

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 205529, 616587, 1438703, 1849761, 3493993, 4316109, 10481979, 12948327, 24457951, 31445937, 73373853, 220121559]

約数ペア:

[(1, 220121559), (3, 73373853), (7, 31445937), (9, 24457951), (17, 12948327), (21, 10481979), (51, 4316109), (63, 3493993), (119, 1849761), (153, 1438703), (357, 616587), (1071, 205529)]