199241505

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{449}}^1$

素因数の和:655

約数の個数: 64

約数和(自身を含む): 375840000

約数和(自身を除く): 176598495

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 173, 285, 449, 513, 519, 855, 865, 1347, 1557, 2245, 2565, 2595, 3287, 4041, 4671, 6735, 7785, 8531, 9861, 12123, 16435, 20205, 23355, 25593, 29583, 42655, 49305, 60615, 76779, 77677, 88749, 127965, 147915, 230337, 233031, 383895, 388385, 443745, 699093, 1151685, 1165155, 1475863, 2097279, 3495465, 4427589, 7379315, 10486395, 13282767, 22137945, 39848301, 66413835, 199241505]

約数ペア:

[(1, 199241505), (3, 66413835), (5, 39848301), (9, 22137945), (15, 13282767), (19, 10486395), (27, 7379315), (45, 4427589), (57, 3495465), (95, 2097279), (135, 1475863), (171, 1165155), (173, 1151685), (285, 699093), (449, 443745), (513, 388385), (519, 383895), (855, 233031), (865, 230337), (1347, 147915), (1557, 127965), (2245, 88749), (2565, 77677), (2595, 76779), (3287, 60615), (4041, 49305), (4671, 42655), (6735, 29583), (7785, 25593), (8531, 23355), (9861, 20205), (12123, 16435)]