49217847

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{421}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 79403520

約数和(自身を除く): 30185673

約数列:

[1, 3, 7, 19, 21, 57, 133, 293, 399, 421, 879, 1263, 2051, 2947, 5567, 6153, 7999, 8841, 16701, 23997, 38969, 55993, 116907, 123353, 167979, 370059, 863471, 2343707, 2590413, 7031121, 16405949, 49217847]

約数ペア:

[(1, 49217847), (3, 16405949), (7, 7031121), (19, 2590413), (21, 2343707), (57, 863471), (133, 370059), (293, 167979), (399, 123353), (421, 116907), (879, 55993), (1263, 38969), (2051, 23997), (2947, 16701), (5567, 8841), (6153, 7999)]