202153959

素因数分解:

$3^2\times 7^2\times {\mathrm{458399}}^1$

素因数の和:458419

約数の個数: 18

約数和(自身を含む): 339674400

約数和(自身を除く): 137520441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 458399, 1375197, 3208793, 4125591, 9626379, 22461551, 28879137, 67384653, 202153959]

約数ペア:

[(1, 202153959), (3, 67384653), (7, 28879137), (9, 22461551), (21, 9626379), (49, 4125591), (63, 3208793), (147, 1375197), (441, 458399)]