318339

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:207

約数の個数: 24

約数和(自身を含む): 545792

約数和(自身を除く): 227453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 163, 217, 279, 489, 651, 1141, 1467, 1953, 3423, 5053, 10269, 15159, 35371, 45477, 106113, 318339]

約数ペア:

[(1, 318339), (3, 106113), (7, 45477), (9, 35371), (21, 15159), (31, 10269), (63, 5053), (93, 3423), (163, 1953), (217, 1467), (279, 1141), (489, 651)]