201742779

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{1201}}^1$

素因数の和:1651

約数の個数: 32

約数和(自身を含む): 324636160

約数和(自身を除く): 122893381

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 421, 1201, 1263, 2947, 3603, 7999, 8407, 8841, 22819, 23997, 25221, 55993, 68457, 159733, 167979, 479199, 505621, 1516863, 3539347, 9606799, 10618041, 28820397, 67247593, 201742779]

約数ペア:

[(1, 201742779), (3, 67247593), (7, 28820397), (19, 10618041), (21, 9606799), (57, 3539347), (133, 1516863), (399, 505621), (421, 479199), (1201, 167979), (1263, 159733), (2947, 68457), (3603, 55993), (7999, 25221), (8407, 23997), (8841, 22819)]