388885671

素因数分解:

$3^3\times {\mathrm{509}}^1\times {\mathrm{28297}}^1$

素因数の和:28815

約数の個数: 16

約数和(自身を含む): 577279200

約数和(自身を除く): 188393529

約数列:

[1, 3, 9, 27, 509, 1527, 4581, 13743, 28297, 84891, 254673, 764019, 14403173, 43209519, 129628557, 388885671]

約数ペア:

[(1, 388885671), (3, 129628557), (9, 43209519), (27, 14403173), (509, 764019), (1527, 254673), (4581, 84891), (13743, 28297)]