1917509949

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{431}}^1\times {\mathrm{3109}}^1$

素因数の和:3602

約数の個数: 32

約数和(自身を含む): 2902003200

約数和(自身を除く): 984493251

約数列:

[1, 3, 9, 27, 53, 159, 431, 477, 1293, 1431, 3109, 3879, 9327, 11637, 22843, 27981, 68529, 83943, 164777, 205587, 494331, 616761, 1339979, 1482993, 4019937, 4448979, 12059811, 36179433, 71018887, 213056661, 639169983, 1917509949]

約数ペア:

[(1, 1917509949), (3, 639169983), (9, 213056661), (27, 71018887), (53, 36179433), (159, 12059811), (431, 4448979), (477, 4019937), (1293, 1482993), (1431, 1339979), (3109, 616761), (3879, 494331), (9327, 205587), (11637, 164777), (22843, 83943), (27981, 68529)]