678915

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:168

約数の個数: 32

約数和(自身を含む): 1244160

約数和(自身を除く): 565245

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 107, 135, 141, 235, 321, 423, 535, 705, 963, 1269, 1605, 2115, 2889, 4815, 5029, 6345, 14445, 15087, 25145, 45261, 75435, 135783, 226305, 678915]

約数ペア:

[(1, 678915), (3, 226305), (5, 135783), (9, 75435), (15, 45261), (27, 25145), (45, 15087), (47, 14445), (107, 6345), (135, 5029), (141, 4815), (235, 2889), (321, 2115), (423, 1605), (535, 1269), (705, 963)]