27785637

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 45826560

約数和(自身を除く): 18040923

約数列:

[1, 3, 9, 11, 33, 59, 67, 71, 99, 177, 201, 213, 531, 603, 639, 649, 737, 781, 1947, 2211, 2343, 3953, 4189, 4757, 5841, 6633, 7029, 11859, 12567, 14271, 35577, 37701, 42813, 43483, 46079, 52327, 130449, 138237, 156981, 280663, 391347, 414711, 470943, 841989, 2525967, 3087293, 9261879, 27785637]

約数ペア:

[(1, 27785637), (3, 9261879), (9, 3087293), (11, 2525967), (33, 841989), (59, 470943), (67, 414711), (71, 391347), (99, 280663), (177, 156981), (201, 138237), (213, 130449), (531, 52327), (603, 46079), (639, 43483), (649, 42813), (737, 37701), (781, 35577), (1947, 14271), (2211, 12567), (2343, 11859), (3953, 7029), (4189, 6633), (4757, 5841)]