311281893

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{18869}}^1$

素因数の和:18938

約数の個数: 32

約数和(自身を含む): 507225600

約数和(自身を除く): 195943707

約数列:

[1, 3, 9, 13, 27, 39, 47, 117, 141, 351, 423, 611, 1269, 1833, 5499, 16497, 18869, 56607, 169821, 245297, 509463, 735891, 886843, 2207673, 2660529, 6623019, 7981587, 11528959, 23944761, 34586877, 103760631, 311281893]

約数ペア:

[(1, 311281893), (3, 103760631), (9, 34586877), (13, 23944761), (27, 11528959), (39, 7981587), (47, 6623019), (117, 2660529), (141, 2207673), (351, 886843), (423, 735891), (611, 509463), (1269, 245297), (1833, 169821), (5499, 56607), (16497, 18869)]