81524751

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2539}}^1$

素因数の和:2699

約数の個数: 32

約数和(自身を含む): 136550400

約数和(自身を除く): 55025649

約数列:

[1, 3, 7, 11, 21, 33, 77, 139, 231, 417, 973, 1529, 2539, 2919, 4587, 7617, 10703, 17773, 27929, 32109, 53319, 83787, 195503, 352921, 586509, 1058763, 2470447, 3882131, 7411341, 11646393, 27174917, 81524751]

約数ペア:

[(1, 81524751), (3, 27174917), (7, 11646393), (11, 7411341), (21, 3882131), (33, 2470447), (77, 1058763), (139, 586509), (231, 352921), (417, 195503), (973, 83787), (1529, 53319), (2539, 32109), (2919, 27929), (4587, 17773), (7617, 10703)]