56421885

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{289343}}^1$

素因数の和:289364

約数の個数: 16

約数和(自身を含む): 97219584

約数和(自身を除く): 40797699

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 289343, 868029, 1446715, 3761459, 4340145, 11284377, 18807295, 56421885]

約数ペア:

[(1, 56421885), (3, 18807295), (5, 11284377), (13, 4340145), (15, 3761459), (39, 1446715), (65, 868029), (195, 289343)]