221888511

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{1427}}^1$

素因数の和:1892

約数の個数: 32

約数和(自身を含む): 355057920

約数和(自身を除く): 133169409

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 443, 1329, 1427, 3987, 4281, 5759, 11961, 12843, 17277, 18551, 38529, 51831, 55653, 155493, 166959, 500877, 632161, 1896483, 5689449, 8218093, 17068347, 24654279, 73962837, 221888511]

約数ペア:

[(1, 221888511), (3, 73962837), (9, 24654279), (13, 17068347), (27, 8218093), (39, 5689449), (117, 1896483), (351, 632161), (443, 500877), (1329, 166959), (1427, 155493), (3987, 55653), (4281, 51831), (5759, 38529), (11961, 18551), (12843, 17277)]