13219857

素因数分解:

$3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{967}}^1$

素因数の和:1018

約数の個数: 36

約数和(自身を含む): 22953216

約数和(自身を除く): 9733359

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 93, 147, 217, 279, 441, 651, 967, 1519, 1953, 2901, 4557, 6769, 8703, 13671, 20307, 29977, 47383, 60921, 89931, 142149, 209839, 269793, 426447, 629517, 1468873, 1888551, 4406619, 13219857]

約数ペア:

[(1, 13219857), (3, 4406619), (7, 1888551), (9, 1468873), (21, 629517), (31, 426447), (49, 269793), (63, 209839), (93, 142149), (147, 89931), (217, 60921), (279, 47383), (441, 29977), (651, 20307), (967, 13671), (1519, 8703), (1953, 6769), (2901, 4557)]