1820778897

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{42859}}^1$

素因数の和:42910

約数の個数: 36

約数和(自身を含む): 3000028560

約数和(自身を除く): 1179249663

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 289, 357, 833, 867, 2023, 2499, 6069, 14161, 42483, 42859, 128577, 300013, 728603, 900039, 2100091, 2185809, 5100221, 6300273, 12386251, 15300663, 35701547, 37158753, 86703757, 107104641, 260111271, 606926299, 1820778897]

約数ペア:

[(1, 1820778897), (3, 606926299), (7, 260111271), (17, 107104641), (21, 86703757), (49, 37158753), (51, 35701547), (119, 15300663), (147, 12386251), (289, 6300273), (357, 5100221), (833, 2185809), (867, 2100091), (2023, 900039), (2499, 728603), (6069, 300013), (14161, 128577), (42483, 42859)]