28982961

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1153}}^1$

素因数の和:1195

約数の個数: 48

約数和(自身を含む): 52622400

約数和(自身を除く): 23639439

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 133, 147, 171, 189, 399, 441, 513, 931, 1153, 1197, 1323, 2793, 3459, 3591, 8071, 8379, 10377, 21907, 24213, 25137, 31131, 56497, 65721, 72639, 153349, 169491, 197163, 217917, 460047, 508473, 591489, 1073443, 1380141, 1525419, 3220329, 4140423, 9660987, 28982961]

約数ペア:

[(1, 28982961), (3, 9660987), (7, 4140423), (9, 3220329), (19, 1525419), (21, 1380141), (27, 1073443), (49, 591489), (57, 508473), (63, 460047), (133, 217917), (147, 197163), (171, 169491), (189, 153349), (399, 72639), (441, 65721), (513, 56497), (931, 31131), (1153, 25137), (1197, 24213), (1323, 21907), (2793, 10377), (3459, 8379), (3591, 8071)]