2661813

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 5031936

約数和(自身を除く): 2370123

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 63, 69, 77, 99, 161, 167, 207, 231, 253, 483, 501, 693, 759, 1169, 1449, 1503, 1771, 1837, 2277, 3507, 3841, 5313, 5511, 10521, 11523, 12859, 15939, 16533, 26887, 34569, 38577, 42251, 80661, 115731, 126753, 241983, 295757, 380259, 887271, 2661813]

約数ペア:

[(1, 2661813), (3, 887271), (7, 380259), (9, 295757), (11, 241983), (21, 126753), (23, 115731), (33, 80661), (63, 42251), (69, 38577), (77, 34569), (99, 26887), (161, 16533), (167, 15939), (207, 12859), (231, 11523), (253, 10521), (483, 5511), (501, 5313), (693, 3841), (759, 3507), (1169, 2277), (1449, 1837), (1503, 1771)]