2173983

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:683

約数の個数: 24

約数和(自身を含む): 3523968

約数和(自身を除く): 1349985

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 643, 1127, 1929, 3381, 4501, 13503, 14789, 31507, 44367, 94521, 103523, 310569, 724661, 2173983]

約数ペア:

[(1, 2173983), (3, 724661), (7, 310569), (21, 103523), (23, 94521), (49, 44367), (69, 31507), (147, 14789), (161, 13503), (483, 4501), (643, 3381), (1127, 1929)]