127538943

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{1303}}^1$

素因数の和:1451

約数の個数: 32

約数和(自身を含む): 200294400

約数和(自身を除く): 72755457

約数列:

[1, 3, 7, 21, 59, 79, 177, 237, 413, 553, 1239, 1303, 1659, 3909, 4661, 9121, 13983, 27363, 32627, 76877, 97881, 102937, 230631, 308811, 538139, 720559, 1614417, 2161677, 6073283, 18219849, 42512981, 127538943]

約数ペア:

[(1, 127538943), (3, 42512981), (7, 18219849), (21, 6073283), (59, 2161677), (79, 1614417), (177, 720559), (237, 538139), (413, 308811), (553, 230631), (1239, 102937), (1303, 97881), (1659, 76877), (3909, 32627), (4661, 27363), (9121, 13983)]