28894173

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{167}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 49641984

約数和(自身を除く): 20747811

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 107, 147, 167, 231, 321, 501, 539, 749, 1169, 1177, 1617, 1837, 2247, 3507, 3531, 5243, 5511, 8183, 8239, 12859, 15729, 17869, 24549, 24717, 38577, 53607, 57673, 90013, 125083, 173019, 196559, 270039, 375249, 589677, 875581, 1375913, 2626743, 4127739, 9631391, 28894173]

約数ペア:

[(1, 28894173), (3, 9631391), (7, 4127739), (11, 2626743), (21, 1375913), (33, 875581), (49, 589677), (77, 375249), (107, 270039), (147, 196559), (167, 173019), (231, 125083), (321, 90013), (501, 57673), (539, 53607), (749, 38577), (1169, 24717), (1177, 24549), (1617, 17869), (1837, 15729), (2247, 12859), (3507, 8239), (3531, 8183), (5243, 5511)]