28080045

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{919}}^1$

素因数の和:1034

約数の個数: 48

約数和(自身を含む): 56259840

約数和(自身を除く): 28179795

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 97, 105, 291, 315, 485, 679, 873, 919, 1455, 2037, 2757, 3395, 4365, 4595, 6111, 6433, 8271, 10185, 13785, 19299, 30555, 32165, 41355, 57897, 89143, 96495, 267429, 289485, 445715, 624001, 802287, 1337145, 1872003, 3120005, 4011435, 5616009, 9360015, 28080045]

約数ペア:

[(1, 28080045), (3, 9360015), (5, 5616009), (7, 4011435), (9, 3120005), (15, 1872003), (21, 1337145), (35, 802287), (45, 624001), (63, 445715), (97, 289485), (105, 267429), (291, 96495), (315, 89143), (485, 57897), (679, 41355), (873, 32165), (919, 30555), (1455, 19299), (2037, 13785), (2757, 10185), (3395, 8271), (4365, 6433), (4595, 6111)]