191873997

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 324859392

約数和(自身を除く): 132985395

約数列:

[1, 3, 7, 9, 21, 63, 67, 131, 201, 347, 393, 469, 603, 917, 1041, 1179, 1407, 2429, 2751, 3123, 4221, 7287, 8253, 8777, 21861, 23249, 26331, 45457, 61439, 69747, 78993, 136371, 162743, 184317, 209241, 318199, 409113, 488229, 552951, 954597, 1464687, 2863791, 3045619, 9136857, 21319333, 27410571, 63957999, 191873997]

約数ペア:

[(1, 191873997), (3, 63957999), (7, 27410571), (9, 21319333), (21, 9136857), (63, 3045619), (67, 2863791), (131, 1464687), (201, 954597), (347, 552951), (393, 488229), (469, 409113), (603, 318199), (917, 209241), (1041, 184317), (1179, 162743), (1407, 136371), (2429, 78993), (2751, 69747), (3123, 61439), (4221, 45457), (7287, 26331), (8253, 23249), (8777, 21861)]