206955

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{73}}^1$

素因数の和:97

約数の個数: 40

約数和(自身を含む): 429792

約数和(自身を除く): 222837

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 73, 81, 105, 135, 189, 219, 315, 365, 405, 511, 567, 657, 945, 1095, 1533, 1971, 2555, 2835, 3285, 4599, 5913, 7665, 9855, 13797, 22995, 29565, 41391, 68985, 206955]

約数ペア:

[(1, 206955), (3, 68985), (5, 41391), (7, 29565), (9, 22995), (15, 13797), (21, 9855), (27, 7665), (35, 5913), (45, 4599), (63, 3285), (73, 2835), (81, 2555), (105, 1971), (135, 1533), (189, 1095), (219, 945), (315, 657), (365, 567), (405, 511)]