28174131

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 45329440

約数和(自身を除く): 17155309

約数列:

[1, 3, 9, 19, 37, 57, 61, 73, 111, 171, 183, 219, 333, 549, 657, 703, 1159, 1387, 2109, 2257, 2701, 3477, 4161, 4453, 6327, 6771, 8103, 10431, 12483, 13359, 20313, 24309, 40077, 42883, 51319, 84607, 128649, 153957, 164761, 253821, 385947, 461871, 494283, 761463, 1482849, 3130459, 9391377, 28174131]

約数ペア:

[(1, 28174131), (3, 9391377), (9, 3130459), (19, 1482849), (37, 761463), (57, 494283), (61, 461871), (73, 385947), (111, 253821), (171, 164761), (183, 153957), (219, 128649), (333, 84607), (549, 51319), (657, 42883), (703, 40077), (1159, 24309), (1387, 20313), (2109, 13359), (2257, 12483), (2701, 10431), (3477, 8103), (4161, 6771), (4453, 6327)]