678697851

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1\times {\mathrm{1597}}^1$

素因数の和:2271

約数の個数: 32

約数和(自身を含む): 1034123328

約数和(自身を除く): 355425477

約数列:

[1, 3, 13, 17, 39, 51, 221, 641, 663, 1597, 1923, 4791, 8333, 10897, 20761, 24999, 27149, 32691, 62283, 81447, 141661, 352937, 424983, 1023677, 1058811, 3071031, 13307801, 17402509, 39923403, 52207527, 226232617, 678697851]

約数ペア:

[(1, 678697851), (3, 226232617), (13, 52207527), (17, 39923403), (39, 17402509), (51, 13307801), (221, 3071031), (641, 1058811), (663, 1023677), (1597, 424983), (1923, 352937), (4791, 141661), (8333, 81447), (10897, 62283), (20761, 32691), (24999, 27149)]