989415

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{349}}^1$

素因数の和:373

約数の個数: 40

約数和(自身を含む): 2032800

約数和(自身を除く): 1043385

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 349, 405, 567, 945, 1047, 1745, 2443, 2835, 3141, 5235, 7329, 9423, 12215, 15705, 21987, 28269, 36645, 47115, 65961, 109935, 141345, 197883, 329805, 989415]

約数ペア:

[(1, 989415), (3, 329805), (5, 197883), (7, 141345), (9, 109935), (15, 65961), (21, 47115), (27, 36645), (35, 28269), (45, 21987), (63, 15705), (81, 12215), (105, 9423), (135, 7329), (189, 5235), (315, 3141), (349, 2835), (405, 2443), (567, 1745), (945, 1047)]