31357647

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1583}}^1$

素因数の和:1691

約数の個数: 24

約数和(自身を含む): 47443968

約数和(自身を除く): 16086321

約数列:

[1, 3, 9, 31, 71, 93, 213, 279, 639, 1583, 2201, 4749, 6603, 14247, 19809, 49073, 112393, 147219, 337179, 441657, 1011537, 3484183, 10452549, 31357647]

約数ペア:

[(1, 31357647), (3, 10452549), (9, 3484183), (31, 1011537), (71, 441657), (93, 337179), (213, 147219), (279, 112393), (639, 49073), (1583, 19809), (2201, 14247), (4749, 6603)]