78719877

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 130636800

約数和(自身を除く): 51916923

約数列:

[1, 3, 9, 17, 27, 41, 47, 51, 89, 123, 141, 153, 267, 369, 423, 459, 697, 799, 801, 1107, 1269, 1513, 1927, 2091, 2397, 2403, 3649, 4183, 4539, 5781, 6273, 7191, 10947, 12549, 13617, 17343, 18819, 21573, 32759, 32841, 37647, 40851, 52029, 62033, 71111, 98277, 98523, 112941, 171503, 186099, 213333, 294831, 514509, 558297, 639999, 884493, 1543527, 1674891, 1919997, 2915551, 4630581, 8746653, 26239959, 78719877]

約数ペア:

[(1, 78719877), (3, 26239959), (9, 8746653), (17, 4630581), (27, 2915551), (41, 1919997), (47, 1674891), (51, 1543527), (89, 884493), (123, 639999), (141, 558297), (153, 514509), (267, 294831), (369, 213333), (423, 186099), (459, 171503), (697, 112941), (799, 98523), (801, 98277), (1107, 71111), (1269, 62033), (1513, 52029), (1927, 40851), (2091, 37647), (2397, 32841), (2403, 32759), (3649, 21573), (4183, 18819), (4539, 17343), (5781, 13617), (6273, 12549), (7191, 10947)]