28489617

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3529}}^1$

素因数の和:3574

約数の個数: 32

約数和(自身を含む): 47443200

約数和(自身を除く): 18953583

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2691, 3529, 8073, 10587, 31761, 45877, 81167, 95283, 137631, 243501, 412893, 730503, 1055171, 1238679, 2191509, 3165513, 9496539, 28489617]

約数ペア:

[(1, 28489617), (3, 9496539), (9, 3165513), (13, 2191509), (23, 1238679), (27, 1055171), (39, 730503), (69, 412893), (117, 243501), (207, 137631), (299, 95283), (351, 81167), (621, 45877), (897, 31761), (2691, 10587), (3529, 8073)]