280186197

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1\times {\mathrm{487}}^1$

素因数の和:925

約数の個数: 32

約数和(自身を含む): 411091200

約数和(自身を除く): 130905003

約数列:

[1, 3, 17, 29, 51, 87, 389, 487, 493, 1167, 1461, 1479, 6613, 8279, 11281, 14123, 19839, 24837, 33843, 42369, 189443, 191777, 240091, 568329, 575331, 720273, 3220531, 5493847, 9661593, 16481541, 93395399, 280186197]

約数ペア:

[(1, 280186197), (3, 93395399), (17, 16481541), (29, 9661593), (51, 5493847), (87, 3220531), (389, 720273), (487, 575331), (493, 568329), (1167, 240091), (1461, 191777), (1479, 189443), (6613, 42369), (8279, 33843), (11281, 24837), (14123, 19839)]