27831405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{661}}^1$

素因数の和:1077

約数の個数: 32

約数和(自身を含む): 51095808

約数和(自身を除く): 23264403

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 401, 661, 1203, 1983, 2005, 2807, 3305, 4627, 6015, 8421, 9915, 13881, 14035, 23135, 42105, 69405, 265061, 795183, 1325305, 1855427, 3975915, 5566281, 9277135, 27831405]

約数ペア:

[(1, 27831405), (3, 9277135), (5, 5566281), (7, 3975915), (15, 1855427), (21, 1325305), (35, 795183), (105, 265061), (401, 69405), (661, 42105), (1203, 23135), (1983, 14035), (2005, 13881), (2807, 9915), (3305, 8421), (4627, 6015)]