189358281

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{397}}^1$

素因数の和:590

約数の個数: 48

約数和(自身を含む): 320870784

約数和(自身を除く): 131512503

約数列:

[1, 3, 7, 9, 21, 63, 67, 113, 201, 339, 397, 469, 603, 791, 1017, 1191, 1407, 2373, 2779, 3573, 4221, 7119, 7571, 8337, 22713, 25011, 26599, 44861, 52997, 68139, 79797, 134583, 158991, 186193, 239391, 314027, 403749, 476973, 558579, 942081, 1675737, 2826243, 3005687, 9017061, 21039809, 27051183, 63119427, 189358281]

約数ペア:

[(1, 189358281), (3, 63119427), (7, 27051183), (9, 21039809), (21, 9017061), (63, 3005687), (67, 2826243), (113, 1675737), (201, 942081), (339, 558579), (397, 476973), (469, 403749), (603, 314027), (791, 239391), (1017, 186193), (1191, 158991), (1407, 134583), (2373, 79797), (2779, 68139), (3573, 52997), (4221, 44861), (7119, 26599), (7571, 25011), (8337, 22713)]