65219985

素因数分解:

$3^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{617}}^1$

素因数の和:669

約数の個数: 56

約数和(自身を含む): 121585320

約数和(自身を除く): 56365335

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 243, 261, 405, 435, 617, 729, 783, 1215, 1305, 1851, 2349, 3085, 3645, 3915, 5553, 7047, 9255, 11745, 16659, 17893, 21141, 27765, 35235, 49977, 53679, 83295, 89465, 105705, 149931, 161037, 249885, 268395, 449793, 483111, 749655, 805185, 1449333, 2248965, 2415555, 4347999, 7246665, 13043997, 21739995, 65219985]

約数ペア:

[(1, 65219985), (3, 21739995), (5, 13043997), (9, 7246665), (15, 4347999), (27, 2415555), (29, 2248965), (45, 1449333), (81, 805185), (87, 749655), (135, 483111), (145, 449793), (243, 268395), (261, 249885), (405, 161037), (435, 149931), (617, 105705), (729, 89465), (783, 83295), (1215, 53679), (1305, 49977), (1851, 35235), (2349, 27765), (3085, 21141), (3645, 17893), (3915, 16659), (5553, 11745), (7047, 9255)]