27438831

素因数分解:

$3^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:327

約数の個数: 56

約数和(自身を含む): 49665920

約数和(自身を除く): 22227089

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 243, 283, 399, 513, 567, 729, 849, 1197, 1539, 1701, 1981, 2547, 3591, 4617, 5103, 5377, 5943, 7641, 10773, 13851, 16131, 17829, 22923, 32319, 37639, 48393, 53487, 68769, 96957, 112917, 145179, 160461, 206307, 338751, 435537, 481383, 1016253, 1306611, 1444149, 3048759, 3919833, 9146277, 27438831]

約数ペア:

[(1, 27438831), (3, 9146277), (7, 3919833), (9, 3048759), (19, 1444149), (21, 1306611), (27, 1016253), (57, 481383), (63, 435537), (81, 338751), (133, 206307), (171, 160461), (189, 145179), (243, 112917), (283, 96957), (399, 68769), (513, 53487), (567, 48393), (729, 37639), (849, 32319), (1197, 22923), (1539, 17829), (1701, 16131), (1981, 13851), (2547, 10773), (3591, 7641), (4617, 5943), (5103, 5377)]