187879419

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:462

約数の個数: 80

約数和(自身を含む): 351267840

約数和(自身を除く): 163388421

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 71, 81, 91, 117, 189, 213, 273, 351, 359, 497, 567, 639, 819, 923, 1053, 1077, 1491, 1917, 2457, 2513, 2769, 3231, 4473, 4667, 5751, 6461, 7371, 7539, 8307, 9693, 13419, 14001, 19383, 22617, 24921, 25489, 29079, 32669, 40257, 42003, 58149, 67851, 74763, 76467, 98007, 126009, 174447, 178423, 203553, 229401, 294021, 331357, 378027, 523341, 535269, 688203, 882063, 994071, 1605807, 2064609, 2319499, 2646189, 2982213, 4817421, 6958497, 8946639, 14452263, 20875491, 26839917, 62626473, 187879419]

約数ペア:

[(1, 187879419), (3, 62626473), (7, 26839917), (9, 20875491), (13, 14452263), (21, 8946639), (27, 6958497), (39, 4817421), (63, 2982213), (71, 2646189), (81, 2319499), (91, 2064609), (117, 1605807), (189, 994071), (213, 882063), (273, 688203), (351, 535269), (359, 523341), (497, 378027), (567, 331357), (639, 294021), (819, 229401), (923, 203553), (1053, 178423), (1077, 174447), (1491, 126009), (1917, 98007), (2457, 76467), (2513, 74763), (2769, 67851), (3231, 58149), (4473, 42003), (4667, 40257), (5751, 32669), (6461, 29079), (7371, 25489), (7539, 24921), (8307, 22617), (9693, 19383), (13419, 14001)]