53865

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{19}}^1$

素因数の和:43

約数の個数: 40

約数和(自身を含む): 116160

約数和(自身を除く): 62295

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 45, 57, 63, 81, 95, 105, 133, 135, 171, 189, 285, 315, 399, 405, 513, 567, 665, 855, 945, 1197, 1539, 1995, 2565, 2835, 3591, 5985, 7695, 10773, 17955, 53865]

約数ペア:

[(1, 53865), (3, 17955), (5, 10773), (7, 7695), (9, 5985), (15, 3591), (19, 2835), (21, 2565), (27, 1995), (35, 1539), (45, 1197), (57, 945), (63, 855), (81, 665), (95, 567), (105, 513), (133, 405), (135, 399), (171, 315), (189, 285)]