16215381

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1523}}^1$

素因数の和:1562

約数の個数: 36

約数和(自身を含む): 29004768

約数和(自身を除く): 12789387

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 169, 273, 507, 819, 1183, 1521, 1523, 3549, 4569, 10647, 10661, 13707, 19799, 31983, 59397, 95949, 138593, 178191, 257387, 415779, 772161, 1247337, 1801709, 2316483, 5405127, 16215381]

約数ペア:

[(1, 16215381), (3, 5405127), (7, 2316483), (9, 1801709), (13, 1247337), (21, 772161), (39, 415779), (63, 257387), (91, 178191), (117, 138593), (169, 95949), (273, 59397), (507, 31983), (819, 19799), (1183, 13707), (1521, 10661), (1523, 10647), (3549, 4569)]