213176313

素因数分解:

$3^3\times 7^2\times {\mathrm{269}}^1\times {\mathrm{599}}^1$

素因数の和:891

約数の個数: 48

約数和(自身を含む): 369360000

約数和(自身を除く): 156183687

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 269, 441, 599, 807, 1323, 1797, 1883, 2421, 4193, 5391, 5649, 7263, 12579, 13181, 16173, 16947, 29351, 37737, 39543, 50841, 88053, 113211, 118629, 161131, 264159, 355887, 483393, 792477, 1127917, 1450179, 3383751, 4350537, 7895419, 10151253, 23686257, 30453759, 71058771, 213176313]

約数ペア:

[(1, 213176313), (3, 71058771), (7, 30453759), (9, 23686257), (21, 10151253), (27, 7895419), (49, 4350537), (63, 3383751), (147, 1450179), (189, 1127917), (269, 792477), (441, 483393), (599, 355887), (807, 264159), (1323, 161131), (1797, 118629), (1883, 113211), (2421, 88053), (4193, 50841), (5391, 39543), (5649, 37737), (7263, 29351), (12579, 16947), (13181, 16173)]