31193589

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 54743040

約数和(自身を除く): 23549451

約数列:

[1, 3, 7, 17, 21, 23, 29, 51, 69, 87, 119, 131, 161, 203, 357, 391, 393, 483, 493, 609, 667, 917, 1173, 1479, 2001, 2227, 2737, 2751, 3013, 3451, 3799, 4669, 6681, 8211, 9039, 10353, 11339, 11397, 14007, 15589, 21091, 26593, 34017, 46767, 51221, 63273, 64583, 79373, 79779, 87377, 153663, 193749, 238119, 262131, 358547, 452081, 611639, 1075641, 1356243, 1485409, 1834917, 4456227, 10397863, 31193589]

約数ペア:

[(1, 31193589), (3, 10397863), (7, 4456227), (17, 1834917), (21, 1485409), (23, 1356243), (29, 1075641), (51, 611639), (69, 452081), (87, 358547), (119, 262131), (131, 238119), (161, 193749), (203, 153663), (357, 87377), (391, 79779), (393, 79373), (483, 64583), (493, 63273), (609, 51221), (667, 46767), (917, 34017), (1173, 26593), (1479, 21091), (2001, 15589), (2227, 14007), (2737, 11397), (2751, 11339), (3013, 10353), (3451, 9039), (3799, 8211), (4669, 6681)]