199976469

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{3449}}^1$

素因数の和:3721

約数の個数: 32

約数和(自身を含む): 333849600

約数和(自身を除く): 133873131

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 251, 753, 1757, 2761, 3449, 5271, 8283, 10347, 19327, 24143, 37939, 57981, 72429, 113817, 265573, 796719, 865699, 2597097, 6059893, 9522689, 18179679, 28568067, 66658823, 199976469]

約数ペア:

[(1, 199976469), (3, 66658823), (7, 28568067), (11, 18179679), (21, 9522689), (33, 6059893), (77, 2597097), (231, 865699), (251, 796719), (753, 265573), (1757, 113817), (2761, 72429), (3449, 57981), (5271, 37939), (8283, 24143), (10347, 19327)]