205720119

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{541}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 340913664

約数和(自身を除く): 135193545

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 167, 207, 253, 501, 541, 759, 1503, 1623, 1837, 2277, 3841, 4869, 5511, 5951, 11523, 12443, 16533, 17853, 34569, 37329, 42251, 53559, 90347, 111987, 126753, 136873, 271041, 380259, 410619, 813123, 993817, 1231857, 2077981, 2981451, 6233943, 8944353, 18701829, 22857791, 68573373, 205720119]

約数ペア:

[(1, 205720119), (3, 68573373), (9, 22857791), (11, 18701829), (23, 8944353), (33, 6233943), (69, 2981451), (99, 2077981), (167, 1231857), (207, 993817), (253, 813123), (501, 410619), (541, 380259), (759, 271041), (1503, 136873), (1623, 126753), (1837, 111987), (2277, 90347), (3841, 53559), (4869, 42251), (5511, 37329), (5951, 34569), (11523, 17853), (12443, 16533)]