30781269

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{16057}}^1$

素因数の和:16137

約数の個数: 16

約数和(自身を含む): 46247040

約数和(自身を除く): 15465771

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 16057, 48171, 144513, 433539, 1140047, 3420141, 10260423, 30781269]

約数ペア:

[(1, 30781269), (3, 10260423), (9, 3420141), (27, 1140047), (71, 433539), (213, 144513), (639, 48171), (1917, 16057)]