2054565

素因数分解:

$3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 3931200

約数和(自身を除く): 1876635

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 89, 95, 135, 171, 243, 267, 285, 405, 445, 513, 801, 855, 1215, 1335, 1539, 1691, 2403, 2565, 4005, 4617, 5073, 7209, 7695, 8455, 12015, 15219, 21627, 23085, 25365, 36045, 45657, 76095, 108135, 136971, 228285, 410913, 684855, 2054565]

約数ペア:

[(1, 2054565), (3, 684855), (5, 410913), (9, 228285), (15, 136971), (19, 108135), (27, 76095), (45, 45657), (57, 36045), (81, 25365), (89, 23085), (95, 21627), (135, 15219), (171, 12015), (243, 8455), (267, 7695), (285, 7209), (405, 5073), (445, 4617), (513, 4005), (801, 2565), (855, 2403), (1215, 1691), (1335, 1539)]