215243301

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{60649}}^1$

素因数の和:60685

約数の個数: 24

約数和(自身を含む): 355166400

約数和(自身を除く): 139923099

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 60649, 181947, 424543, 788437, 1273629, 2365311, 5519059, 10249681, 16557177, 30749043, 71747767, 215243301]

約数ペア:

[(1, 215243301), (3, 71747767), (7, 30749043), (13, 16557177), (21, 10249681), (39, 5519059), (91, 2365311), (169, 1273629), (273, 788437), (507, 424543), (1183, 181947), (3549, 60649)]