3784725

素因数分解:

$3^5\times 5^2\times 7^1\times {\mathrm{89}}^1$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 8124480

約数和(自身を除く): 4339755

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 81, 89, 105, 135, 175, 189, 225, 243, 267, 315, 405, 445, 525, 567, 623, 675, 801, 945, 1215, 1335, 1575, 1701, 1869, 2025, 2225, 2403, 2835, 3115, 4005, 4725, 5607, 6075, 6675, 7209, 8505, 9345, 12015, 14175, 15575, 16821, 20025, 21627, 28035, 36045, 42525, 46725, 50463, 60075, 84105, 108135, 140175, 151389, 180225, 252315, 420525, 540675, 756945, 1261575, 3784725]

約数ペア:

[(1, 3784725), (3, 1261575), (5, 756945), (7, 540675), (9, 420525), (15, 252315), (21, 180225), (25, 151389), (27, 140175), (35, 108135), (45, 84105), (63, 60075), (75, 50463), (81, 46725), (89, 42525), (105, 36045), (135, 28035), (175, 21627), (189, 20025), (225, 16821), (243, 15575), (267, 14175), (315, 12015), (405, 9345), (445, 8505), (525, 7209), (567, 6675), (623, 6075), (675, 5607), (801, 4725), (945, 4005), (1215, 3115), (1335, 2835), (1575, 2403), (1701, 2225), (1869, 2025)]