13020651

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 22763520

約数和(自身を除く): 9742869

約数列:

[1, 3, 7, 9, 21, 31, 59, 63, 93, 113, 177, 217, 279, 339, 413, 531, 651, 791, 1017, 1239, 1829, 1953, 2373, 3503, 3717, 5487, 6667, 7119, 10509, 12803, 16461, 20001, 24521, 31527, 38409, 46669, 60003, 73563, 115227, 140007, 206677, 220689, 420021, 620031, 1446739, 1860093, 4340217, 13020651]

約数ペア:

[(1, 13020651), (3, 4340217), (7, 1860093), (9, 1446739), (21, 620031), (31, 420021), (59, 220689), (63, 206677), (93, 140007), (113, 115227), (177, 73563), (217, 60003), (279, 46669), (339, 38409), (413, 31527), (531, 24521), (651, 20001), (791, 16461), (1017, 12803), (1239, 10509), (1829, 7119), (1953, 6667), (2373, 5487), (3503, 3717)]