287142921

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{13411}}^1$

素因数の和:13494

約数の個数: 32

約数和(自身を含む): 465664640

約数和(自身を除く): 178521719

約数列:

[1, 3, 9, 13, 27, 39, 61, 117, 183, 351, 549, 793, 1647, 2379, 7137, 13411, 21411, 40233, 120699, 174343, 362097, 523029, 818071, 1569087, 2454213, 4707261, 7362639, 10634923, 22087917, 31904769, 95714307, 287142921]

約数ペア:

[(1, 287142921), (3, 95714307), (9, 31904769), (13, 22087917), (27, 10634923), (39, 7362639), (61, 4707261), (117, 2454213), (183, 1569087), (351, 818071), (549, 523029), (793, 362097), (1647, 174343), (2379, 120699), (7137, 40233), (13411, 21411)]