1800225

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{127}}^1$

素因数の和:156

約数の個数: 60

約数和(自身を含む): 3841024

約数和(自身を除く): 2040799

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 81, 105, 127, 135, 175, 189, 225, 315, 381, 405, 525, 567, 635, 675, 889, 945, 1143, 1575, 1905, 2025, 2667, 2835, 3175, 3429, 4445, 4725, 5715, 8001, 9525, 10287, 13335, 14175, 17145, 22225, 24003, 28575, 40005, 51435, 66675, 72009, 85725, 120015, 200025, 257175, 360045, 600075, 1800225]

約数ペア:

[(1, 1800225), (3, 600075), (5, 360045), (7, 257175), (9, 200025), (15, 120015), (21, 85725), (25, 72009), (27, 66675), (35, 51435), (45, 40005), (63, 28575), (75, 24003), (81, 22225), (105, 17145), (127, 14175), (135, 13335), (175, 10287), (189, 9525), (225, 8001), (315, 5715), (381, 4725), (405, 4445), (525, 3429), (567, 3175), (635, 2835), (675, 2667), (889, 2025), (945, 1905), (1143, 1575)]