213820719

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{9419}}^1$

素因数の和:9499

約数の個数: 32

約数和(自身を含む): 347258880

約数和(自身を除く): 133438161

約数列:

[1, 3, 7, 21, 23, 47, 69, 141, 161, 329, 483, 987, 1081, 3243, 7567, 9419, 22701, 28257, 65933, 197799, 216637, 442693, 649911, 1328079, 1516459, 3098851, 4549377, 9296553, 10181939, 30545817, 71273573, 213820719]

約数ペア:

[(1, 213820719), (3, 71273573), (7, 30545817), (21, 10181939), (23, 9296553), (47, 4549377), (69, 3098851), (141, 1516459), (161, 1328079), (329, 649911), (483, 442693), (987, 216637), (1081, 197799), (3243, 65933), (7567, 28257), (9419, 22701)]