17955

素因数分解:

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

素因数の和:40

約数の個数: 32

約数和(自身を含む): 38400

約数和(自身を除く): 20445

約数列:

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

約数ペア:

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