6989115

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 13411872

約数和(自身を除く): 6422757

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 49, 105, 111, 147, 185, 245, 257, 259, 555, 735, 771, 777, 1285, 1295, 1799, 1813, 3855, 3885, 5397, 5439, 8995, 9065, 9509, 12593, 26985, 27195, 28527, 37779, 47545, 62965, 66563, 142635, 188895, 199689, 332815, 465941, 998445, 1397823, 2329705, 6989115]

約数ペア:

[(1, 6989115), (3, 2329705), (5, 1397823), (7, 998445), (15, 465941), (21, 332815), (35, 199689), (37, 188895), (49, 142635), (105, 66563), (111, 62965), (147, 47545), (185, 37779), (245, 28527), (257, 27195), (259, 26985), (555, 12593), (735, 9509), (771, 9065), (777, 8995), (1285, 5439), (1295, 5397), (1799, 3885), (1813, 3855)]