209519037

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2347}}^1$

素因数の和:2482

約数の個数: 48

約数和(自身を含む): 376055680

約数和(自身を除く): 166536643

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 109, 117, 273, 327, 763, 819, 981, 1417, 2289, 2347, 4251, 6867, 7041, 9919, 12753, 16429, 21123, 29757, 30511, 49287, 89271, 91533, 147861, 213577, 255823, 274599, 640731, 767469, 1790761, 1922193, 2302407, 3325699, 5372283, 9977097, 16116849, 23279893, 29931291, 69839679, 209519037]

約数ペア:

[(1, 209519037), (3, 69839679), (7, 29931291), (9, 23279893), (13, 16116849), (21, 9977097), (39, 5372283), (63, 3325699), (91, 2302407), (109, 1922193), (117, 1790761), (273, 767469), (327, 640731), (763, 274599), (819, 255823), (981, 213577), (1417, 147861), (2289, 91533), (2347, 89271), (4251, 49287), (6867, 30511), (7041, 29757), (9919, 21123), (12753, 16429)]