25307997

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 41470464

約数和(自身を除く): 16162467

約数列:

[1, 3, 11, 13, 31, 33, 39, 93, 121, 143, 173, 341, 363, 403, 429, 519, 1023, 1209, 1573, 1903, 2249, 3751, 4433, 4719, 5363, 5709, 6747, 11253, 13299, 16089, 20933, 24739, 48763, 58993, 62799, 69719, 74217, 146289, 176979, 209157, 272129, 648923, 766909, 816387, 1946769, 2300727, 8435999, 25307997]

約数ペア:

[(1, 25307997), (3, 8435999), (11, 2300727), (13, 1946769), (31, 816387), (33, 766909), (39, 648923), (93, 272129), (121, 209157), (143, 176979), (173, 146289), (341, 74217), (363, 69719), (403, 62799), (429, 58993), (519, 48763), (1023, 24739), (1209, 20933), (1573, 16089), (1903, 13299), (2249, 11253), (3751, 6747), (4433, 5709), (4719, 5363)]