197253

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:145

約数の個数: 24

約数和(自身を含む): 339456

約数和(自身を除く): 142203

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 101, 217, 279, 303, 651, 707, 909, 1953, 2121, 3131, 6363, 9393, 21917, 28179, 65751, 197253]

約数ペア:

[(1, 197253), (3, 65751), (7, 28179), (9, 21917), (21, 9393), (31, 6363), (63, 3131), (93, 2121), (101, 1953), (217, 909), (279, 707), (303, 651)]