1287585

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:126

約数の個数: 48

約数和(自身を含む): 2515968

約数和(自身を除く): 1228383

約数列:

[1, 3, 5, 9, 13, 15, 31, 39, 45, 65, 71, 93, 117, 155, 195, 213, 279, 355, 403, 465, 585, 639, 923, 1065, 1209, 1395, 2015, 2201, 2769, 3195, 3627, 4615, 6045, 6603, 8307, 11005, 13845, 18135, 19809, 28613, 33015, 41535, 85839, 99045, 143065, 257517, 429195, 1287585]

約数ペア:

[(1, 1287585), (3, 429195), (5, 257517), (9, 143065), (13, 99045), (15, 85839), (31, 41535), (39, 33015), (45, 28613), (65, 19809), (71, 18135), (93, 13845), (117, 11005), (155, 8307), (195, 6603), (213, 6045), (279, 4615), (355, 3627), (403, 3195), (465, 2769), (585, 2201), (639, 2015), (923, 1395), (1065, 1209)]