16560621

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1039}}^1$

素因数の和:1086

約数の個数: 48

約数和(自身を含む): 31150080

約数和(自身を除く): 14589459

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 63, 69, 77, 99, 161, 207, 231, 253, 483, 693, 759, 1039, 1449, 1771, 2277, 3117, 5313, 7273, 9351, 11429, 15939, 21819, 23897, 34287, 65457, 71691, 80003, 102861, 167279, 215073, 240009, 262867, 501837, 720027, 788601, 1505511, 1840069, 2365803, 5520207, 16560621]

約数ペア:

[(1, 16560621), (3, 5520207), (7, 2365803), (9, 1840069), (11, 1505511), (21, 788601), (23, 720027), (33, 501837), (63, 262867), (69, 240009), (77, 215073), (99, 167279), (161, 102861), (207, 80003), (231, 71691), (253, 65457), (483, 34287), (693, 23897), (759, 21819), (1039, 15939), (1449, 11429), (1771, 9351), (2277, 7273), (3117, 5313)]