87680421

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2551}}^1$

素因数の和:2646

約数の個数: 32

約数和(自身を含む): 138828800

約数和(自身を除く): 51148379

約数列:

[1, 3, 9, 19, 27, 57, 67, 171, 201, 513, 603, 1273, 1809, 2551, 3819, 7653, 11457, 22959, 34371, 48469, 68877, 145407, 170917, 436221, 512751, 1308663, 1538253, 3247423, 4614759, 9742269, 29226807, 87680421]

約数ペア:

[(1, 87680421), (3, 29226807), (9, 9742269), (19, 4614759), (27, 3247423), (57, 1538253), (67, 1308663), (171, 512751), (201, 436221), (513, 170917), (603, 145407), (1273, 68877), (1809, 48469), (2551, 34371), (3819, 22959), (7653, 11457)]