243215739

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67057}}^1$

素因数の和:67107

約数の個数: 24

約数和(自身を含む): 390545792

約数和(自身を除く): 147330053

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 67057, 201171, 603513, 871741, 2078767, 2615223, 6236301, 7845669, 18708903, 27023971, 81071913, 243215739]

約数ペア:

[(1, 243215739), (3, 81071913), (9, 27023971), (13, 18708903), (31, 7845669), (39, 6236301), (93, 2615223), (117, 2078767), (279, 871741), (403, 603513), (1209, 201171), (3627, 67057)]