1557777339

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{1012201}}^1$

素因数の和:1012232

約数の個数: 20

約数和(自身を含む): 2449528840

約数和(自身を除く): 891751501

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 1012201, 3036603, 9109809, 19231819, 27329427, 57695457, 81988281, 173086371, 519259113, 1557777339]

約数ペア:

[(1, 1557777339), (3, 519259113), (9, 173086371), (19, 81988281), (27, 57695457), (57, 27329427), (81, 19231819), (171, 9109809), (513, 3036603), (1539, 1012201)]