208407195

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53233}}^1$

素因数の和:53276

約数の個数: 32

約数和(自身を含む): 383284800

約数和(自身を除く): 174877605

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 53233, 159699, 266165, 479097, 798495, 1437291, 1543757, 2395485, 4631271, 7186455, 7718785, 13893813, 23156355, 41681439, 69469065, 208407195]

約数ペア:

[(1, 208407195), (3, 69469065), (5, 41681439), (9, 23156355), (15, 13893813), (27, 7718785), (29, 7186455), (45, 4631271), (87, 2395485), (135, 1543757), (145, 1437291), (261, 798495), (435, 479097), (783, 266165), (1305, 159699), (3915, 53233)]