28681641

素因数分解:

$3^3\times {\mathrm{509}}^1\times {\mathrm{2087}}^1$

素因数の和:2605

約数の個数: 16

約数和(自身を含む): 42595200

約数和(自身を除く): 13913559

約数列:

[1, 3, 9, 27, 509, 1527, 2087, 4581, 6261, 13743, 18783, 56349, 1062283, 3186849, 9560547, 28681641]

約数ペア:

[(1, 28681641), (3, 9560547), (9, 3186849), (27, 1062283), (509, 56349), (1527, 18783), (2087, 13743), (4581, 6261)]