128203755

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{4673}}^1$

素因数の和:4771

約数の個数: 32

約数和(自身を含む): 215377920

約数和(自身を除く): 87174165

約数列:

[1, 3, 5, 15, 31, 59, 93, 155, 177, 295, 465, 885, 1829, 4673, 5487, 9145, 14019, 23365, 27435, 70095, 144863, 275707, 434589, 724315, 827121, 1378535, 2172945, 4135605, 8546917, 25640751, 42734585, 128203755]

約数ペア:

[(1, 128203755), (3, 42734585), (5, 25640751), (15, 8546917), (31, 4135605), (59, 2172945), (93, 1378535), (155, 827121), (177, 724315), (295, 434589), (465, 275707), (885, 144863), (1829, 70095), (4673, 27435), (5487, 23365), (9145, 14019)]