25988697

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 44808192

約数和(自身を除く): 18819495

約数列:

[1, 3, 7, 9, 21, 47, 63, 67, 131, 141, 201, 329, 393, 423, 469, 603, 917, 987, 1179, 1407, 2751, 2961, 3149, 4221, 6157, 8253, 8777, 9447, 18471, 22043, 26331, 28341, 43099, 55413, 61439, 66129, 78993, 129297, 184317, 198387, 387891, 412519, 552951, 1237557, 2887633, 3712671, 8662899, 25988697]

約数ペア:

[(1, 25988697), (3, 8662899), (7, 3712671), (9, 2887633), (21, 1237557), (47, 552951), (63, 412519), (67, 387891), (131, 198387), (141, 184317), (201, 129297), (329, 78993), (393, 66129), (423, 61439), (469, 55413), (603, 43099), (917, 28341), (987, 26331), (1179, 22043), (1407, 18471), (2751, 9447), (2961, 8777), (3149, 8253), (4221, 6157)]