155220681

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1627}}^1$

素因数の和:1714

約数の個数: 48

約数和(自身を含む): 267252480

約数和(自身を除く): 112031799

約数列:

[1, 3, 7, 11, 21, 33, 49, 59, 77, 147, 177, 231, 413, 539, 649, 1239, 1617, 1627, 1947, 2891, 4543, 4881, 8673, 11389, 13629, 17897, 31801, 34167, 53691, 79723, 95403, 95993, 125279, 239169, 287979, 375837, 671951, 876953, 1055923, 2015853, 2630859, 3167769, 4703657, 7391461, 14110971, 22174383, 51740227, 155220681]

約数ペア:

[(1, 155220681), (3, 51740227), (7, 22174383), (11, 14110971), (21, 7391461), (33, 4703657), (49, 3167769), (59, 2630859), (77, 2015853), (147, 1055923), (177, 876953), (231, 671951), (413, 375837), (539, 287979), (649, 239169), (1239, 125279), (1617, 95993), (1627, 95403), (1947, 79723), (2891, 53691), (4543, 34167), (4881, 31801), (8673, 17897), (11389, 13629)]