8319987

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 14152320

約数和(自身を除く): 5832333

約数列:

[1, 3, 9, 13, 17, 39, 47, 51, 89, 117, 141, 153, 221, 267, 423, 611, 663, 799, 801, 1157, 1513, 1833, 1989, 2397, 3471, 4183, 4539, 5499, 7191, 10387, 10413, 12549, 13617, 19669, 31161, 37647, 54379, 59007, 71111, 93483, 163137, 177021, 213333, 489411, 639999, 924443, 2773329, 8319987]

約数ペア:

[(1, 8319987), (3, 2773329), (9, 924443), (13, 639999), (17, 489411), (39, 213333), (47, 177021), (51, 163137), (89, 93483), (117, 71111), (141, 59007), (153, 54379), (221, 37647), (267, 31161), (423, 19669), (611, 13617), (663, 12549), (799, 10413), (801, 10387), (1157, 7191), (1513, 5499), (1833, 4539), (1989, 4183), (2397, 3471)]