31431465

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4133}}^1$

素因数の和:4170

約数の個数: 36

約数和(自身を含む): 59008716

約数和(自身を除く): 27577251

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 169, 195, 507, 585, 845, 1521, 2535, 4133, 7605, 12399, 20665, 37197, 53729, 61995, 161187, 185985, 268645, 483561, 698477, 805935, 2095431, 2417805, 3492385, 6286293, 10477155, 31431465]

約数ペア:

[(1, 31431465), (3, 10477155), (5, 6286293), (9, 3492385), (13, 2417805), (15, 2095431), (39, 805935), (45, 698477), (65, 483561), (117, 268645), (169, 185985), (195, 161187), (507, 61995), (585, 53729), (845, 37197), (1521, 20665), (2535, 12399), (4133, 7605)]