31536219

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 53706240

約数和(自身を除く): 22170021

約数列:

[1, 3, 11, 13, 19, 33, 39, 53, 57, 73, 143, 159, 209, 219, 247, 429, 583, 627, 689, 741, 803, 949, 1007, 1387, 1749, 2067, 2409, 2717, 2847, 3021, 3869, 4161, 7579, 8151, 10439, 11077, 11607, 13091, 15257, 18031, 22737, 31317, 33231, 39273, 42559, 45771, 50297, 54093, 73511, 127677, 144001, 150891, 198341, 220533, 432003, 553267, 595023, 808621, 955643, 1659801, 2425863, 2866929, 10512073, 31536219]

約数ペア:

[(1, 31536219), (3, 10512073), (11, 2866929), (13, 2425863), (19, 1659801), (33, 955643), (39, 808621), (53, 595023), (57, 553267), (73, 432003), (143, 220533), (159, 198341), (209, 150891), (219, 144001), (247, 127677), (429, 73511), (583, 54093), (627, 50297), (689, 45771), (741, 42559), (803, 39273), (949, 33231), (1007, 31317), (1387, 22737), (1749, 18031), (2067, 15257), (2409, 13091), (2717, 11607), (2847, 11077), (3021, 10439), (3869, 8151), (4161, 7579)]