128545785

素因数分解:

$3^5\times 5^1\times {\mathrm{241}}^1\times {\mathrm{439}}^1$

素因数の和:700

約数の個数: 48

約数和(自身を含む): 232552320

約数和(自身を除く): 104006535

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 241, 243, 405, 439, 723, 1205, 1215, 1317, 2169, 2195, 3615, 3951, 6507, 6585, 10845, 11853, 19521, 19755, 32535, 35559, 58563, 59265, 97605, 105799, 106677, 177795, 292815, 317397, 528995, 533385, 952191, 1586985, 2856573, 4760955, 8569719, 14282865, 25709157, 42848595, 128545785]

約数ペア:

[(1, 128545785), (3, 42848595), (5, 25709157), (9, 14282865), (15, 8569719), (27, 4760955), (45, 2856573), (81, 1586985), (135, 952191), (241, 533385), (243, 528995), (405, 317397), (439, 292815), (723, 177795), (1205, 106677), (1215, 105799), (1317, 97605), (2169, 59265), (2195, 58563), (3615, 35559), (3951, 32535), (6507, 19755), (6585, 19521), (10845, 11853)]