252315

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{89}}^1$

素因数の和:113

約数の個数: 40

約数和(自身を含む): 522720

約数和(自身を除く): 270405

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 89, 105, 135, 189, 267, 315, 405, 445, 567, 623, 801, 945, 1335, 1869, 2403, 2835, 3115, 4005, 5607, 7209, 9345, 12015, 16821, 28035, 36045, 50463, 84105, 252315]

約数ペア:

[(1, 252315), (3, 84105), (5, 50463), (7, 36045), (9, 28035), (15, 16821), (21, 12015), (27, 9345), (35, 7209), (45, 5607), (63, 4005), (81, 3115), (89, 2835), (105, 2403), (135, 1869), (189, 1335), (267, 945), (315, 801), (405, 623), (445, 567)]