163871409

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 262169600

約数和(自身を除く): 98298191

約数列:

[1, 3, 13, 19, 37, 39, 43, 57, 111, 129, 139, 247, 417, 481, 559, 703, 741, 817, 1443, 1591, 1677, 1807, 2109, 2451, 2641, 4773, 5143, 5421, 5977, 7923, 9139, 10621, 15429, 17931, 20683, 27417, 30229, 31863, 34333, 62049, 66859, 77701, 90687, 97717, 102999, 113563, 200577, 221149, 233103, 293151, 340689, 392977, 663447, 1178931, 1270321, 1476319, 2874937, 3810963, 4201831, 4428957, 8624811, 12605493, 54623803, 163871409]

約数ペア:

[(1, 163871409), (3, 54623803), (13, 12605493), (19, 8624811), (37, 4428957), (39, 4201831), (43, 3810963), (57, 2874937), (111, 1476319), (129, 1270321), (139, 1178931), (247, 663447), (417, 392977), (481, 340689), (559, 293151), (703, 233103), (741, 221149), (817, 200577), (1443, 113563), (1591, 102999), (1677, 97717), (1807, 90687), (2109, 77701), (2451, 66859), (2641, 62049), (4773, 34333), (5143, 31863), (5421, 30229), (5977, 27417), (7923, 20683), (9139, 17931), (10621, 15429)]