19611261

素因数分解:

$3^3\times {\mathrm{509}}^1\times {\mathrm{1427}}^1$

素因数の和:1945

約数の個数: 16

約数和(自身を含む): 29131200

約数和(自身を除く): 9519939

約数列:

[1, 3, 9, 27, 509, 1427, 1527, 4281, 4581, 12843, 13743, 38529, 726343, 2179029, 6537087, 19611261]

約数ペア:

[(1, 19611261), (3, 6537087), (9, 2179029), (27, 726343), (509, 38529), (1427, 13743), (1527, 12843), (4281, 4581)]