81170505

素因数分解:

$3^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1$

素因数の和:610

約数の個数: 64

約数和(自身を含む): 157597440

約数和(自身を除く): 76426935

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 243, 351, 405, 571, 585, 729, 1053, 1215, 1713, 1755, 2187, 2855, 3159, 3645, 5139, 5265, 7423, 8565, 9477, 10935, 15417, 15795, 22269, 25695, 28431, 37115, 46251, 47385, 66807, 77085, 111345, 138753, 142155, 200421, 231255, 334035, 416259, 601263, 693765, 1002105, 1248777, 1803789, 2081295, 3006315, 5411367, 6243885, 9018945, 16234101, 27056835, 81170505]

約数ペア:

[(1, 81170505), (3, 27056835), (5, 16234101), (9, 9018945), (13, 6243885), (15, 5411367), (27, 3006315), (39, 2081295), (45, 1803789), (65, 1248777), (81, 1002105), (117, 693765), (135, 601263), (195, 416259), (243, 334035), (351, 231255), (405, 200421), (571, 142155), (585, 138753), (729, 111345), (1053, 77085), (1215, 66807), (1713, 47385), (1755, 46251), (2187, 37115), (2855, 28431), (3159, 25695), (3645, 22269), (5139, 15795), (5265, 15417), (7423, 10935), (8565, 9477)]