31145769

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{557}}^1$

素因数の和:694

約数の個数: 32

約数和(自身を含む): 49104000

約数和(自身を除く): 17958231

約数列:

[1, 3, 9, 19, 27, 57, 109, 171, 327, 513, 557, 981, 1671, 2071, 2943, 5013, 6213, 10583, 15039, 18639, 31749, 55917, 60713, 95247, 182139, 285741, 546417, 1153547, 1639251, 3460641, 10381923, 31145769]

約数ペア:

[(1, 31145769), (3, 10381923), (9, 3460641), (19, 1639251), (27, 1153547), (57, 546417), (109, 285741), (171, 182139), (327, 95247), (513, 60713), (557, 55917), (981, 31749), (1671, 18639), (2071, 15039), (2943, 10583), (5013, 6213)]