78476229

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 131604480

約数和(自身を除く): 53128251

約数列:

[1, 3, 9, 13, 27, 39, 47, 67, 71, 117, 141, 201, 213, 351, 423, 603, 611, 639, 871, 923, 1269, 1809, 1833, 1917, 2613, 2769, 3149, 3337, 4757, 5499, 7839, 8307, 9447, 10011, 14271, 16497, 23517, 24921, 28341, 30033, 40937, 42813, 43381, 61841, 85023, 90099, 122811, 128439, 130143, 185523, 223579, 368433, 390429, 556569, 670737, 1105299, 1171287, 1669707, 2012211, 2906527, 6036633, 8719581, 26158743, 78476229]

約数ペア:

[(1, 78476229), (3, 26158743), (9, 8719581), (13, 6036633), (27, 2906527), (39, 2012211), (47, 1669707), (67, 1171287), (71, 1105299), (117, 670737), (141, 556569), (201, 390429), (213, 368433), (351, 223579), (423, 185523), (603, 130143), (611, 128439), (639, 122811), (871, 90099), (923, 85023), (1269, 61841), (1809, 43381), (1833, 42813), (1917, 40937), (2613, 30033), (2769, 28341), (3149, 24921), (3337, 23517), (4757, 16497), (5499, 14271), (7839, 10011), (8307, 9447)]