2181394761

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1\times {\mathrm{727}}^1$

素因数の和:1158

約数の個数: 64

約数和(自身を含む): 3718041600

約数和(自身を除く): 1536646839

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 379, 609, 727, 1131, 1137, 2181, 2639, 2653, 4927, 5089, 7917, 7959, 9451, 10991, 14781, 15267, 21083, 28353, 32973, 34489, 63249, 66157, 76937, 103467, 142883, 147581, 198471, 230811, 274079, 275533, 428649, 442743, 822237, 826599, 1000181, 1918553, 1928731, 3000543, 3581929, 5755659, 5786193, 7990457, 10745787, 23971371, 25073503, 55933199, 75220509, 103875941, 167799597, 311627823, 727131587, 2181394761]

約数ペア:

[(1, 2181394761), (3, 727131587), (7, 311627823), (13, 167799597), (21, 103875941), (29, 75220509), (39, 55933199), (87, 25073503), (91, 23971371), (203, 10745787), (273, 7990457), (377, 5786193), (379, 5755659), (609, 3581929), (727, 3000543), (1131, 1928731), (1137, 1918553), (2181, 1000181), (2639, 826599), (2653, 822237), (4927, 442743), (5089, 428649), (7917, 275533), (7959, 274079), (9451, 230811), (10991, 198471), (14781, 147581), (15267, 142883), (21083, 103467), (28353, 76937), (32973, 66157), (34489, 63249)]