20172537675

素因数分解:

$3^4\times 5^2\times {\mathrm{2081}}^1\times {\mathrm{4787}}^1$

素因数の和:6890

約数の個数: 60

約数和(自身を含む): 37392278616

約数和(自身を除く): 17219740941

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 2081, 4787, 6243, 10405, 14361, 18729, 23935, 31215, 43083, 52025, 56187, 71805, 93645, 119675, 129249, 156075, 168561, 215415, 280935, 359025, 387747, 468225, 646245, 842805, 1077075, 1404675, 1938735, 3231225, 4214025, 9693675, 9961747, 29885241, 49808735, 89655723, 149426205, 249043675, 268967169, 448278615, 747131025, 806901507, 1344835845, 2241393075, 4034507535, 6724179225, 20172537675]

約数ペア:

[(1, 20172537675), (3, 6724179225), (5, 4034507535), (9, 2241393075), (15, 1344835845), (25, 806901507), (27, 747131025), (45, 448278615), (75, 268967169), (81, 249043675), (135, 149426205), (225, 89655723), (405, 49808735), (675, 29885241), (2025, 9961747), (2081, 9693675), (4787, 4214025), (6243, 3231225), (10405, 1938735), (14361, 1404675), (18729, 1077075), (23935, 842805), (31215, 646245), (43083, 468225), (52025, 387747), (56187, 359025), (71805, 280935), (93645, 215415), (119675, 168561), (129249, 156075)]