26681949

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 45961344

約数和(自身を除く): 19279395

約数列:

[1, 3, 7, 9, 21, 53, 61, 63, 131, 159, 183, 371, 393, 427, 477, 549, 917, 1113, 1179, 1281, 2751, 3233, 3339, 3843, 6943, 7991, 8253, 9699, 20829, 22631, 23973, 29097, 48601, 55937, 62487, 67893, 71919, 145803, 167811, 203679, 423523, 437409, 503433, 1270569, 2964661, 3811707, 8893983, 26681949]

約数ペア:

[(1, 26681949), (3, 8893983), (7, 3811707), (9, 2964661), (21, 1270569), (53, 503433), (61, 437409), (63, 423523), (131, 203679), (159, 167811), (183, 145803), (371, 71919), (393, 67893), (427, 62487), (477, 55937), (549, 48601), (917, 29097), (1113, 23973), (1179, 22631), (1281, 20829), (2751, 9699), (3233, 8253), (3339, 7991), (3843, 6943)]