72745491

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3373}}^1$

素因数の和:3475

約数の個数: 32

約数和(自身を含む): 120924160

約数和(自身を除く): 48178669

約数列:

[1, 3, 7, 13, 21, 39, 79, 91, 237, 273, 553, 1027, 1659, 3081, 3373, 7189, 10119, 21567, 23611, 43849, 70833, 131547, 266467, 306943, 799401, 920829, 1865269, 3464071, 5595807, 10392213, 24248497, 72745491]

約数ペア:

[(1, 72745491), (3, 24248497), (7, 10392213), (13, 5595807), (21, 3464071), (39, 1865269), (79, 920829), (91, 799401), (237, 306943), (273, 266467), (553, 131547), (1027, 70833), (1659, 43849), (3081, 23611), (3373, 21567), (7189, 10119)]