31394805

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1229}}^1$

素因数の和:1381

約数の個数: 32

約数和(自身を含む): 54552960

約数和(自身を除く): 23158155

約数列:

[1, 3, 5, 13, 15, 39, 65, 131, 195, 393, 655, 1229, 1703, 1965, 3687, 5109, 6145, 8515, 15977, 18435, 25545, 47931, 79885, 160999, 239655, 482997, 804995, 2092987, 2414985, 6278961, 10464935, 31394805]

約数ペア:

[(1, 31394805), (3, 10464935), (5, 6278961), (13, 2414985), (15, 2092987), (39, 804995), (65, 482997), (131, 239655), (195, 160999), (393, 79885), (655, 47931), (1229, 25545), (1703, 18435), (1965, 15977), (3687, 8515), (5109, 6145)]