279796869

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{277}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 480384000

約数和(自身を除く): 200587131

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 171, 179, 209, 277, 297, 513, 537, 627, 831, 1611, 1881, 1969, 2493, 3047, 3401, 4833, 5263, 5643, 5907, 7479, 9141, 10203, 15789, 17721, 27423, 30609, 37411, 47367, 49583, 53163, 57893, 82269, 91827, 112233, 142101, 148749, 173679, 336699, 446247, 521037, 545413, 942077, 1010097, 1338741, 1563111, 1636239, 2826231, 4908717, 8478693, 10362847, 14726151, 25436079, 31088541, 93265623, 279796869]

約数ペア:

[(1, 279796869), (3, 93265623), (9, 31088541), (11, 25436079), (19, 14726151), (27, 10362847), (33, 8478693), (57, 4908717), (99, 2826231), (171, 1636239), (179, 1563111), (209, 1338741), (277, 1010097), (297, 942077), (513, 545413), (537, 521037), (627, 446247), (831, 336699), (1611, 173679), (1881, 148749), (1969, 142101), (2493, 112233), (3047, 91827), (3401, 82269), (4833, 57893), (5263, 53163), (5643, 49583), (5907, 47367), (7479, 37411), (9141, 30609), (10203, 27423), (15789, 17721)]