64857891

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{379}}^1$

素因数の和:699

約数の個数: 32

約数和(自身を含む): 102873600

約数和(自身を除く): 38015709

約数列:

[1, 3, 7, 21, 29, 87, 203, 281, 379, 609, 843, 1137, 1967, 2653, 5901, 7959, 8149, 10991, 24447, 32973, 57043, 76937, 106499, 171129, 230811, 319497, 745493, 2236479, 3088471, 9265413, 21619297, 64857891]

約数ペア:

[(1, 64857891), (3, 21619297), (7, 9265413), (21, 3088471), (29, 2236479), (87, 745493), (203, 319497), (281, 230811), (379, 171129), (609, 106499), (843, 76937), (1137, 57043), (1967, 32973), (2653, 24447), (5901, 10991), (7959, 8149)]