25321959

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 43243200

約数和(自身を除く): 17921241

約数列:

[1, 3, 9, 13, 17, 29, 39, 51, 87, 117, 153, 221, 261, 377, 439, 493, 663, 1131, 1317, 1479, 1989, 3393, 3951, 4437, 5707, 6409, 7463, 12731, 17121, 19227, 22389, 38193, 51363, 57681, 67167, 97019, 114579, 165503, 216427, 291057, 496509, 649281, 873171, 1489527, 1947843, 2813551, 8440653, 25321959]

約数ペア:

[(1, 25321959), (3, 8440653), (9, 2813551), (13, 1947843), (17, 1489527), (29, 873171), (39, 649281), (51, 496509), (87, 291057), (117, 216427), (153, 165503), (221, 114579), (261, 97019), (377, 67167), (439, 57681), (493, 51363), (663, 38193), (1131, 22389), (1317, 19227), (1479, 17121), (1989, 12731), (3393, 7463), (3951, 6409), (4437, 5707)]