16904895

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1229}}^1$

素因数の和:1375

約数の個数: 32

約数和(自身を含む): 31173120

約数和(自身を除く): 14268225

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 131, 393, 655, 917, 1229, 1965, 2751, 3687, 4585, 6145, 8603, 13755, 18435, 25809, 43015, 129045, 160999, 482997, 804995, 1126993, 2414985, 3380979, 5634965, 16904895]

約数ペア:

[(1, 16904895), (3, 5634965), (5, 3380979), (7, 2414985), (15, 1126993), (21, 804995), (35, 482997), (105, 160999), (131, 129045), (393, 43015), (655, 25809), (917, 18435), (1229, 13755), (1965, 8603), (2751, 6145), (3687, 4585)]