19707003

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:296

約数の個数: 32

約数和(自身を含む): 30240000

約数和(自身を除く): 10532997

約数列:

[1, 3, 9, 27, 59, 89, 139, 177, 267, 417, 531, 801, 1251, 1593, 2403, 3753, 5251, 8201, 12371, 15753, 24603, 37113, 47259, 73809, 111339, 141777, 221427, 334017, 729889, 2189667, 6569001, 19707003]

約数ペア:

[(1, 19707003), (3, 6569001), (9, 2189667), (27, 729889), (59, 334017), (89, 221427), (139, 141777), (177, 111339), (267, 73809), (417, 47259), (531, 37113), (801, 24603), (1251, 15753), (1593, 12371), (2403, 8201), (3753, 5251)]