254173815

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{971}}^1$

素因数の和:1269

約数の個数: 64

約数和(自身を含む): 518814720

約数和(自身を除く): 264640905

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 277, 315, 831, 945, 971, 1385, 1939, 2493, 2913, 4155, 4855, 5817, 6797, 7479, 8739, 9695, 12465, 14565, 17451, 20391, 26217, 29085, 33985, 37395, 43695, 52353, 61173, 87255, 101955, 131085, 183519, 261765, 268967, 305865, 806901, 917595, 1344835, 1882769, 2420703, 4034505, 5648307, 7262109, 9413845, 12103515, 16944921, 28241535, 36310545, 50834763, 84724605, 254173815]

約数ペア:

[(1, 254173815), (3, 84724605), (5, 50834763), (7, 36310545), (9, 28241535), (15, 16944921), (21, 12103515), (27, 9413845), (35, 7262109), (45, 5648307), (63, 4034505), (105, 2420703), (135, 1882769), (189, 1344835), (277, 917595), (315, 806901), (831, 305865), (945, 268967), (971, 261765), (1385, 183519), (1939, 131085), (2493, 101955), (2913, 87255), (4155, 61173), (4855, 52353), (5817, 43695), (6797, 37395), (7479, 33985), (8739, 29085), (9695, 26217), (12465, 20391), (14565, 17451)]