27642627

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:249

約数の個数: 40

約数和(自身を含む): 43281216

約数和(自身を除く): 15638589

約数列:

[1, 3, 9, 27, 47, 53, 81, 137, 141, 159, 411, 423, 477, 1233, 1269, 1431, 2491, 3699, 3807, 4293, 6439, 7261, 7473, 11097, 19317, 21783, 22419, 57951, 65349, 67257, 173853, 196047, 201771, 341267, 521559, 588141, 1023801, 3071403, 9214209, 27642627]

約数ペア:

[(1, 27642627), (3, 9214209), (9, 3071403), (27, 1023801), (47, 588141), (53, 521559), (81, 341267), (137, 201771), (141, 196047), (159, 173853), (411, 67257), (423, 65349), (477, 57951), (1233, 22419), (1269, 21783), (1431, 19317), (2491, 11097), (3699, 7473), (3807, 7261), (4293, 6439)]