172984371

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{6481}}^1$

素因数の和:6563

約数の個数: 32

約数和(自身を含む): 278777856

約数和(自身を除く): 105793485

約数列:

[1, 3, 7, 21, 31, 41, 93, 123, 217, 287, 651, 861, 1271, 3813, 6481, 8897, 19443, 26691, 45367, 136101, 200911, 265721, 602733, 797163, 1406377, 1860047, 4219131, 5580141, 8237351, 24712053, 57661457, 172984371]

約数ペア:

[(1, 172984371), (3, 57661457), (7, 24712053), (21, 8237351), (31, 5580141), (41, 4219131), (93, 1860047), (123, 1406377), (217, 797163), (287, 602733), (651, 265721), (861, 200911), (1271, 136101), (3813, 45367), (6481, 26691), (8897, 19443)]