4052025

素因数分解:

$3^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:77

約数の個数: 72

約数和(自身を含む): 8124480

約数和(自身を除く): 4072455

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 29, 45, 69, 75, 81, 87, 115, 135, 145, 207, 225, 243, 261, 345, 405, 435, 575, 621, 667, 675, 725, 783, 1035, 1215, 1305, 1725, 1863, 2001, 2025, 2175, 2349, 3105, 3335, 3915, 5175, 5589, 6003, 6075, 6525, 7047, 9315, 10005, 11745, 15525, 16675, 18009, 19575, 27945, 30015, 35235, 46575, 50025, 54027, 58725, 90045, 139725, 150075, 162081, 176175, 270135, 450225, 810405, 1350675, 4052025]

約数ペア:

[(1, 4052025), (3, 1350675), (5, 810405), (9, 450225), (15, 270135), (23, 176175), (25, 162081), (27, 150075), (29, 139725), (45, 90045), (69, 58725), (75, 54027), (81, 50025), (87, 46575), (115, 35235), (135, 30015), (145, 27945), (207, 19575), (225, 18009), (243, 16675), (261, 15525), (345, 11745), (405, 10005), (435, 9315), (575, 7047), (621, 6525), (667, 6075), (675, 6003), (725, 5589), (783, 5175), (1035, 3915), (1215, 3335), (1305, 3105), (1725, 2349), (1863, 2175), (2001, 2025)]