381505377

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{7561}}^1$

素因数の和:7725

約数の個数: 24

約数和(自身を含む): 563217760

約数和(自身を除く): 181712383

約数列:

[1, 3, 11, 33, 121, 139, 363, 417, 1529, 4587, 7561, 16819, 22683, 50457, 83171, 249513, 914881, 1050979, 2744643, 3152937, 11560769, 34682307, 127168459, 381505377]

約数ペア:

[(1, 381505377), (3, 127168459), (11, 34682307), (33, 11560769), (121, 3152937), (139, 2744643), (363, 1050979), (417, 914881), (1529, 249513), (4587, 83171), (7561, 50457), (16819, 22683)]