205721859

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{1259}}^1$

素因数の和:1551

約数の個数: 32

約数和(自身を含む): 325140480

約数和(自身を除く): 119418621

約数列:

[1, 3, 7, 21, 31, 93, 217, 251, 651, 753, 1259, 1757, 3777, 5271, 7781, 8813, 23343, 26439, 39029, 54467, 117087, 163401, 273203, 316009, 819609, 948027, 2212063, 6636189, 9796279, 29388837, 68573953, 205721859]

約数ペア:

[(1, 205721859), (3, 68573953), (7, 29388837), (21, 9796279), (31, 6636189), (93, 2212063), (217, 948027), (251, 819609), (651, 316009), (753, 273203), (1259, 163401), (1757, 117087), (3777, 54467), (5271, 39029), (7781, 26439), (8813, 23343)]