25345047

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{353}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 41868288

約数和(自身を除く): 16523241

約数列:

[1, 3, 7, 13, 21, 39, 91, 263, 273, 353, 789, 1059, 1841, 2471, 3419, 4589, 5523, 7413, 10257, 13767, 23933, 32123, 71799, 92839, 96369, 278517, 649873, 1206907, 1949619, 3620721, 8448349, 25345047]

約数ペア:

[(1, 25345047), (3, 8448349), (7, 3620721), (13, 1949619), (21, 1206907), (39, 649873), (91, 278517), (263, 96369), (273, 92839), (353, 71799), (789, 32123), (1059, 23933), (1841, 13767), (2471, 10257), (3419, 7413), (4589, 5523)]