2708181

素因数分解:

$3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:135

約数の個数: 48

約数和(自身を含む): 4924800

約数和(自身を除く): 2216619

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 89, 147, 161, 189, 207, 267, 441, 483, 621, 623, 801, 1127, 1323, 1449, 1869, 2047, 2403, 3381, 4347, 4361, 5607, 6141, 10143, 13083, 14329, 16821, 18423, 30429, 39249, 42987, 55269, 100303, 117747, 128961, 300909, 386883, 902727, 2708181]

約数ペア:

[(1, 2708181), (3, 902727), (7, 386883), (9, 300909), (21, 128961), (23, 117747), (27, 100303), (49, 55269), (63, 42987), (69, 39249), (89, 30429), (147, 18423), (161, 16821), (189, 14329), (207, 13083), (267, 10143), (441, 6141), (483, 5607), (621, 4361), (623, 4347), (801, 3381), (1127, 2403), (1323, 2047), (1449, 1869)]