18399003

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 29140992

約数和(自身を除く): 10741989

約数列:

[1, 3, 7, 21, 53, 61, 159, 183, 271, 371, 427, 813, 1113, 1281, 1897, 3233, 5691, 9699, 14363, 16531, 22631, 43089, 49593, 67893, 100541, 115717, 301623, 347151, 876143, 2628429, 6133001, 18399003]

約数ペア:

[(1, 18399003), (3, 6133001), (7, 2628429), (21, 876143), (53, 347151), (61, 301623), (159, 115717), (183, 100541), (271, 67893), (371, 49593), (427, 43089), (813, 22631), (1113, 16531), (1281, 14363), (1897, 9699), (3233, 5691)]