27958557

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 64

約数和(自身を含む): 47139840

約数和(自身を除く): 19181283

約数列:

[1, 3, 11, 17, 19, 33, 43, 51, 57, 61, 129, 183, 187, 209, 323, 473, 561, 627, 671, 731, 817, 969, 1037, 1159, 1419, 2013, 2193, 2451, 2623, 3111, 3477, 3553, 7869, 8041, 8987, 10659, 11407, 12749, 13889, 19703, 24123, 26961, 28853, 34221, 38247, 41667, 44591, 49837, 59109, 86559, 133773, 149511, 152779, 216733, 458337, 490501, 548207, 650199, 847229, 1471503, 1644621, 2541687, 9319519, 27958557]

約数ペア:

[(1, 27958557), (3, 9319519), (11, 2541687), (17, 1644621), (19, 1471503), (33, 847229), (43, 650199), (51, 548207), (57, 490501), (61, 458337), (129, 216733), (183, 152779), (187, 149511), (209, 133773), (323, 86559), (473, 59109), (561, 49837), (627, 44591), (671, 41667), (731, 38247), (817, 34221), (969, 28853), (1037, 26961), (1159, 24123), (1419, 19703), (2013, 13889), (2193, 12749), (2451, 11407), (2623, 10659), (3111, 8987), (3477, 8041), (3553, 7869)]