8902887

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 14584320

約数和(自身を除く): 5681433

約数列:

[1, 3, 7, 19, 21, 53, 57, 133, 159, 371, 399, 421, 1007, 1113, 1263, 2947, 3021, 7049, 7999, 8841, 21147, 22313, 23997, 55993, 66939, 156191, 167979, 423947, 468573, 1271841, 2967629, 8902887]

約数ペア:

[(1, 8902887), (3, 2967629), (7, 1271841), (19, 468573), (21, 423947), (53, 167979), (57, 156191), (133, 66939), (159, 55993), (371, 23997), (399, 22313), (421, 21147), (1007, 8841), (1113, 7999), (1263, 7049), (2947, 3021)]