201323997

素因数分解:

$3^2\times 7^2\times {\mathrm{456517}}^1$

素因数の和:456537

約数の個数: 18

約数和(自身を含む): 338279838

約数和(自身を除く): 136955841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 456517, 1369551, 3195619, 4108653, 9586857, 22369333, 28760571, 67107999, 201323997]

約数ペア:

[(1, 201323997), (3, 67107999), (7, 28760571), (9, 22369333), (21, 9586857), (49, 4108653), (63, 3195619), (147, 1369551), (441, 456517)]